Podcast
Questions and Answers
What is the proximal attachment of the Flexor Carpi Radialis?
What is the proximal attachment of the Flexor Carpi Radialis?
Medial epicondyle of the humerus.
Which nerve innervates the Palmaris Longus muscle?
Which nerve innervates the Palmaris Longus muscle?
Median nerve.
What muscle action is associated with the Flexor Carpi Ulnaris?
What muscle action is associated with the Flexor Carpi Ulnaris?
Flexes and adducts the hand at the wrist.
Describe the distal attachment of Flexor Digitorum Superficialis.
Describe the distal attachment of Flexor Digitorum Superficialis.
What are the two parts of the Flexor Digitorum Profundus?
What are the two parts of the Flexor Digitorum Profundus?
What is the action of the Flexor Pollicis Longus?
What is the action of the Flexor Pollicis Longus?
Which muscle is responsible for flexing the middle phalanges at proximal interphalangeal joints?
Which muscle is responsible for flexing the middle phalanges at proximal interphalangeal joints?
Name the innervation of the Flexor Carpi Ulnaris.
Name the innervation of the Flexor Carpi Ulnaris.
What are the proximal and distal attachments of the Pronator Quadratus?
What are the proximal and distal attachments of the Pronator Quadratus?
Which nerve innervates the Extensor Pollicis Longus?
Which nerve innervates the Extensor Pollicis Longus?
Describe the primary muscle action of the Abductor Pollicis Longus.
Describe the primary muscle action of the Abductor Pollicis Longus.
What is the role of the deep fibers of the Pronator Quadratus?
What is the role of the deep fibers of the Pronator Quadratus?
What action does the Extensor Pollicis Brevis perform on the thumb?
What action does the Extensor Pollicis Brevis perform on the thumb?
Name the muscle that provides a relatively weak flexion of the forearm.
Name the muscle that provides a relatively weak flexion of the forearm.
What are the proximal attachments of the Extensor Carpi Radialis Longus?
What are the proximal attachments of the Extensor Carpi Radialis Longus?
How does the Extensor Carpi Radialis Longus contribute during fist clenching?
How does the Extensor Carpi Radialis Longus contribute during fist clenching?
What are the proximal and distal attachments of the Biceps Brachii?
What are the proximal and distal attachments of the Biceps Brachii?
Which nerve innervates the Supraspinatus muscle and what is its action?
Which nerve innervates the Supraspinatus muscle and what is its action?
Describe the muscle action of the Rhomboid major.
Describe the muscle action of the Rhomboid major.
What are the primary actions of the Triceps Brachii?
What are the primary actions of the Triceps Brachii?
In terms of innervation, how do the muscles in the anterior compartment of the arm differ?
In terms of innervation, how do the muscles in the anterior compartment of the arm differ?
What is the distal attachment of the Infraspinatus muscle?
What is the distal attachment of the Infraspinatus muscle?
What muscle actions are associated with the Subscapularis?
What muscle actions are associated with the Subscapularis?
Identify the proximal attachment of the Teres Major and its primary action.
Identify the proximal attachment of the Teres Major and its primary action.
Describe the action and innervation of the Pronator Teres.
Describe the action and innervation of the Pronator Teres.
What is the primary action of the Teres Minor, and which nerve innervates it?
What is the primary action of the Teres Minor, and which nerve innervates it?
What is the proximal attachment of the Extensor Carpi Radialis Brevis (ECRB)?
What is the proximal attachment of the Extensor Carpi Radialis Brevis (ECRB)?
Which nerve innervates the Extensor Digitorum?
Which nerve innervates the Extensor Digitorum?
How does the Extensor Digiti Minimi primarily act on the 5th digit?
How does the Extensor Digiti Minimi primarily act on the 5th digit?
What is the distal attachment point of the Extensor Carpi Ulnaris?
What is the distal attachment point of the Extensor Carpi Ulnaris?
Identify the muscle that extends and adducts the hand at the wrist joint.
Identify the muscle that extends and adducts the hand at the wrist joint.
What is the innervation of the Supinator muscle?
What is the innervation of the Supinator muscle?
What action is primarily performed by the Extensor Carpi Radialis Brevis?
What action is primarily performed by the Extensor Carpi Radialis Brevis?
Which muscle's action includes supination of the forearm?
Which muscle's action includes supination of the forearm?
What are the two heads of the Adductor Pollicis and their respective attachment sites?
What are the two heads of the Adductor Pollicis and their respective attachment sites?
What is the primary function of the Lumbricals in the hand?
What is the primary function of the Lumbricals in the hand?
How do the Dorsal Interossei contribute to finger movement?
How do the Dorsal Interossei contribute to finger movement?
Which digits do the Palmar Interossei adduct, and how do they assist other muscles?
Which digits do the Palmar Interossei adduct, and how do they assist other muscles?
What is the innervation of the Lumbricals, and how does it vary between the first two and last two?
What is the innervation of the Lumbricals, and how does it vary between the first two and last two?
What are the proximal and distal attachments of the Extensor Indicis?
What are the proximal and distal attachments of the Extensor Indicis?
Which nerve innervates the Opponens Pollicis muscle?
Which nerve innervates the Opponens Pollicis muscle?
Describe the primary action of the Abductor Pollicis Brevis.
Describe the primary action of the Abductor Pollicis Brevis.
What actions does the Flexor Pollicis Brevis perform?
What actions does the Flexor Pollicis Brevis perform?
Identify the proximal attachment of the Abductor Digiti Minimi.
Identify the proximal attachment of the Abductor Digiti Minimi.
What is the main function of the Opponens Digiti Minimi?
What is the main function of the Opponens Digiti Minimi?
Which nerves innervate the Flexor Digiti Minimi Brevis?
Which nerves innervate the Flexor Digiti Minimi Brevis?
What muscle's action assists in the flexion of the proximal phalanx of the 5th digit?
What muscle's action assists in the flexion of the proximal phalanx of the 5th digit?
What is the primary action of the Pronator Quadratus muscle?
What is the primary action of the Pronator Quadratus muscle?
Which muscle is primarily responsible for extending the thumb at the interphalangeal joint?
Which muscle is primarily responsible for extending the thumb at the interphalangeal joint?
Which nerve innervates the Abductor Pollicis Longus muscle?
Which nerve innervates the Abductor Pollicis Longus muscle?
What is the distal attachment of the Extensor Pollicis Brevis?
What is the distal attachment of the Extensor Pollicis Brevis?
Which muscle action contributes to flexion of the forearm in midpronated position?
Which muscle action contributes to flexion of the forearm in midpronated position?
What is the muscle action of the Extensor Carpi Radialis Longus?
What is the muscle action of the Extensor Carpi Radialis Longus?
Which structure binds the radius and ulna together?
Which structure binds the radius and ulna together?
Which of the following muscles is not innervated by the posterior interosseous nerve?
Which of the following muscles is not innervated by the posterior interosseous nerve?
What is the primary action of the Extensor Carpi Ulnaris?
What is the primary action of the Extensor Carpi Ulnaris?
Which muscle is primarily responsible for extending the 5th digit?
Which muscle is primarily responsible for extending the 5th digit?
Where does the Extensor Digitorum attach distally?
Where does the Extensor Digitorum attach distally?
Which muscle extends the 2nd digit and helps extend the hand at the wrist?
Which muscle extends the 2nd digit and helps extend the hand at the wrist?
What is the innervation of the Extensor Carpi Radialis Brevis?
What is the innervation of the Extensor Carpi Radialis Brevis?
Which proximal attachment is common to both the Extensor Carpi Ulnaris and the Extensor Digiti Minimi?
Which proximal attachment is common to both the Extensor Carpi Ulnaris and the Extensor Digiti Minimi?
What muscle action does the Extensor Carpi Radialis Brevis perform?
What muscle action does the Extensor Carpi Radialis Brevis perform?
What is the primary muscle action of the Opponens Pollicis?
What is the primary muscle action of the Opponens Pollicis?
Which muscle has its distal attachment on the extensor expansion of the 2nd digit?
Which muscle has its distal attachment on the extensor expansion of the 2nd digit?
What nerve primarily innervates the Abductor Digiti Minimi?
What nerve primarily innervates the Abductor Digiti Minimi?
Which muscle action does the Flexor Pollicis Brevis perform?
Which muscle action does the Flexor Pollicis Brevis perform?
What is the proximal attachment of the Opponens Digiti Minimi?
What is the proximal attachment of the Opponens Digiti Minimi?
Which muscle is primarily responsible for abducting the 5th digit?
Which muscle is primarily responsible for abducting the 5th digit?
The muscle action of the Extensor Indicis primarily includes which of the following?
The muscle action of the Extensor Indicis primarily includes which of the following?
Which muscle is primarily responsible for elevating the scapula?
Which muscle is primarily responsible for elevating the scapula?
What nerve innervates the Trapezius muscle?
What nerve innervates the Trapezius muscle?
Which muscle acts to adduct and medially rotate the humerus?
Which muscle acts to adduct and medially rotate the humerus?
What is the proximal attachment of the Latissimus Dorsi muscle?
What is the proximal attachment of the Latissimus Dorsi muscle?
What action is performed by the middle part of the Trapezius muscle?
What action is performed by the middle part of the Trapezius muscle?
Which muscle is NOT involved in the elevation of the shoulder girdle?
Which muscle is NOT involved in the elevation of the shoulder girdle?
Which two vertebrae are proximal attachments for the Rhomboid Minor muscle?
Which two vertebrae are proximal attachments for the Rhomboid Minor muscle?
What action do the descending and ascending parts of the Trapezius perform together?
What action do the descending and ascending parts of the Trapezius perform together?
Which muscle primarily flexes the distal phalanx of the thumb?
Which muscle primarily flexes the distal phalanx of the thumb?
What is the primary action of the Flexor Carpi Radialis?
What is the primary action of the Flexor Carpi Radialis?
Which muscle is primarily responsible for tensing the palmar aponeurosis?
Which muscle is primarily responsible for tensing the palmar aponeurosis?
What structure does the Flexor Digitorum Superficialis act upon primarily?
What structure does the Flexor Digitorum Superficialis act upon primarily?
Which nerve innervates the Flexor Carpi Ulnaris?
Which nerve innervates the Flexor Carpi Ulnaris?
Which part of the Flexor Digitorum Profundus is responsible for flexing the fourth and fifth digits at the distal interphalangeal joints?
Which part of the Flexor Digitorum Profundus is responsible for flexing the fourth and fifth digits at the distal interphalangeal joints?
The Flexor Carpi Radialis attaches distally to which structure?
The Flexor Carpi Radialis attaches distally to which structure?
Which muscle's nerve supply is derived from the anterior interosseous nerve?
Which muscle's nerve supply is derived from the anterior interosseous nerve?
What action do the rhomboid muscles primarily perform?
What action do the rhomboid muscles primarily perform?
Which muscle is responsible for laterally rotating the arm?
Which muscle is responsible for laterally rotating the arm?
How does the long head of the Biceps Brachii mainly assist during shoulder motion?
How does the long head of the Biceps Brachii mainly assist during shoulder motion?
Which of the following muscles has its innervation primarily from the musculocutaneous nerve?
Which of the following muscles has its innervation primarily from the musculocutaneous nerve?
What is the primary action of the Teres Major muscle?
What is the primary action of the Teres Major muscle?
What is the primary role of the Subscapularis as part of the rotator cuff?
What is the primary role of the Subscapularis as part of the rotator cuff?
Which muscle's primary action includes flexing the forearm in all positions?
Which muscle's primary action includes flexing the forearm in all positions?
What is the main action of the Pronator Teres muscle?
What is the main action of the Pronator Teres muscle?
Which muscle initiates arm abduction and assists the deltoid?
Which muscle initiates arm abduction and assists the deltoid?
Which muscle primarily serves as the chief extensor of the forearm?
Which muscle primarily serves as the chief extensor of the forearm?
Which muscle is responsible for elevating the scapula?
Which muscle is responsible for elevating the scapula?
Which of the following muscles acts to retract the shoulder blades?
Which of the following muscles acts to retract the shoulder blades?
What action does the Latissimus Dorsi perform?
What action does the Latissimus Dorsi perform?
What innervates the Trapezius muscle?
What innervates the Trapezius muscle?
Which muscle's distal attachment is at the floor of the intertubercular sulcus of the humerus?
Which muscle's distal attachment is at the floor of the intertubercular sulcus of the humerus?
What is the primary action of the descending part of the Trapezius muscle?
What is the primary action of the descending part of the Trapezius muscle?
Which nerve primarily innervates the Levator Scapulae muscle?
Which nerve primarily innervates the Levator Scapulae muscle?
What action do the descending and ascending parts of the Trapezius act together to perform?
What action do the descending and ascending parts of the Trapezius act together to perform?
What muscle primarily initiates the abduction of the arm?
What muscle primarily initiates the abduction of the arm?
What action do the Rhomboid muscles perform on the scapula?
What action do the Rhomboid muscles perform on the scapula?
What is the innervation of the Teres Major muscle?
What is the innervation of the Teres Major muscle?
Which compartment of the arm contains the Biceps Brachii?
Which compartment of the arm contains the Biceps Brachii?
What is the primary action of the Triceps Brachii muscle?
What is the primary action of the Triceps Brachii muscle?
Which of the following muscles contributes to lateral rotation of the arm?
Which of the following muscles contributes to lateral rotation of the arm?
Which muscle acts to flex the forearm when it is in a supine position?
Which muscle acts to flex the forearm when it is in a supine position?
What is the distal attachment of the Pronator Teres muscle?
What is the distal attachment of the Pronator Teres muscle?
What muscle assists the deltoid in arm abduction?
What muscle assists the deltoid in arm abduction?
Which muscle primarily acts to flex and abduct the hand at the wrist?
Which muscle primarily acts to flex and abduct the hand at the wrist?
What is the primary action of the Flexor Digitorum Profundus?
What is the primary action of the Flexor Digitorum Profundus?
Which nerve is responsible for innervating the Flexor Carpi Ulnaris?
Which nerve is responsible for innervating the Flexor Carpi Ulnaris?
The Palmaris Longus muscle primarily functions to:
The Palmaris Longus muscle primarily functions to:
Which muscle's action is primarily to flex the middle phalanges at the proximal interphalangeal joints?
Which muscle's action is primarily to flex the middle phalanges at the proximal interphalangeal joints?
What is the primary action of the Flexor Pollicis Longus?
What is the primary action of the Flexor Pollicis Longus?
Which muscle has a common proximal attachment at the medial epicondyle of the humerus and is responsible for flexing the hand?
Which muscle has a common proximal attachment at the medial epicondyle of the humerus and is responsible for flexing the hand?
The Flexor Digitorum Profundus innervation primarily affects which digits?
The Flexor Digitorum Profundus innervation primarily affects which digits?
What is the primary action of the Adductor Pollicis?
What is the primary action of the Adductor Pollicis?
What is the distal attachment of the Extensor Carpi Radialis Brevis (ECRB)?
What is the distal attachment of the Extensor Carpi Radialis Brevis (ECRB)?
Which muscle primarily extends the 5th digit?
Which muscle primarily extends the 5th digit?
Which of the following muscles are responsible for abducting the 2nd-4th digits?
Which of the following muscles are responsible for abducting the 2nd-4th digits?
What is the innervation of the Extensor Carpi Ulnaris?
What is the innervation of the Extensor Carpi Ulnaris?
How do the Lumbricals influence the movement of the fingers?
How do the Lumbricals influence the movement of the fingers?
Which muscle's action includes extending and adducting the hand at the wrist joint?
Which muscle's action includes extending and adducting the hand at the wrist joint?
What is the innervation of the 1st and 2nd Lumbricals?
What is the innervation of the 1st and 2nd Lumbricals?
Which of the following best describes the action of the Palmar Interossei?
Which of the following best describes the action of the Palmar Interossei?
What action is primarily associated with the Supinator muscle?
What action is primarily associated with the Supinator muscle?
What is the role of the Extensor Digitorum?
What is the role of the Extensor Digitorum?
Which action is not primarily performed by the Extensor Carpi Radialis Brevis?
Which action is not primarily performed by the Extensor Carpi Radialis Brevis?
What is the primary muscle action of the Extensor Indicis?
What is the primary muscle action of the Extensor Indicis?
Which muscle innervates the Abductor Digiti Minimi?
Which muscle innervates the Abductor Digiti Minimi?
Which action is associated with the Opponens Pollicis?
Which action is associated with the Opponens Pollicis?
What is the role of the Flexor Pollicis Brevis in thumb movement?
What is the role of the Flexor Pollicis Brevis in thumb movement?
What is the innervation of the Flexor Digiti Minimi Brevis?
What is the innervation of the Flexor Digiti Minimi Brevis?
Which proximal attachment corresponds to the Abductor Pollicis Brevis?
Which proximal attachment corresponds to the Abductor Pollicis Brevis?
Which muscle's primary action includes helping to flex the proximal phalanx of the 5th digit?
Which muscle's primary action includes helping to flex the proximal phalanx of the 5th digit?
What action does the Opponens Digiti Minimi perform?
What action does the Opponens Digiti Minimi perform?
Flashcards
Supraspinatus proximal attachment
Supraspinatus proximal attachment
The supraspinous fossa of the scapula
Infraspinatus distal attachment
Infraspinatus distal attachment
Middle facet of the greater tubercle of the humerus
Teres Minor innervation
Teres Minor innervation
Axillary nerve (C5, C6)
Teres Major muscle action
Teres Major muscle action
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Biceps Brachii short head origin
Biceps Brachii short head origin
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Pronator Teres innervation
Pronator Teres innervation
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Triceps long head proximal attachment
Triceps long head proximal attachment
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Subscapularis distal attachment
Subscapularis distal attachment
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Supraspinatus muscle action
Supraspinatus muscle action
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Rhomboid Muscle Action
Rhomboid Muscle Action
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FCR proximal attachment
FCR proximal attachment
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FCR distal attachment
FCR distal attachment
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FDS humeral head
FDS humeral head
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FDP ulnar origin
FDP ulnar origin
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FDP muscle action
FDP muscle action
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FPL distal attachment
FPL distal attachment
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FDS distal attachment
FDS distal attachment
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FCU muscle action
FCU muscle action
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Pronator Quadratus Attachment
Pronator Quadratus Attachment
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Pronator Quadratus Action
Pronator Quadratus Action
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Abductor Pollicis Longus (APL) Innervation
Abductor Pollicis Longus (APL) Innervation
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Abductor Pollicis Longus (APL) Action
Abductor Pollicis Longus (APL) Action
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Extensor Pollicis Longus (EPL) Action
Extensor Pollicis Longus (EPL) Action
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Extensor Pollicis Brevis (EPB) Attachment
Extensor Pollicis Brevis (EPB) Attachment
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Brachioradialis Innervation
Brachioradialis Innervation
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Extensor Carpi Radialis Longus (ECRL) Action
Extensor Carpi Radialis Longus (ECRL) Action
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Extensor Carpi Radialis Brevis (ECRB) - Function
Extensor Carpi Radialis Brevis (ECRB) - Function
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Extensor Digitorum - Attachment
Extensor Digitorum - Attachment
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Extensor Digiti Minimi (EDM) - Action
Extensor Digiti Minimi (EDM) - Action
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Extensor Carpi Ulnaris (ECU) - Distal Attachment
Extensor Carpi Ulnaris (ECU) - Distal Attachment
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Supinator - Action
Supinator - Action
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ECRB - Proximal Attachment
ECRB - Proximal Attachment
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Supinator - Muscle Layer
Supinator - Muscle Layer
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Extensor Digitorum - Innervation
Extensor Digitorum - Innervation
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Adductor Pollicis
Adductor Pollicis
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Lumbrical Actions
Lumbrical Actions
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Dorsal Interossei
Dorsal Interossei
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Palmar Interossei
Palmar Interossei
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Ulnar Nerve Innervation
Ulnar Nerve Innervation
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Extensor Indicis Action
Extensor Indicis Action
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Opponens Pollicis Attachment
Opponens Pollicis Attachment
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Abductor Pollicis Brevis Action
Abductor Pollicis Brevis Action
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Flexor Pollicis Brevis Innervation
Flexor Pollicis Brevis Innervation
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Abductor Digiti Minimi Attachment
Abductor Digiti Minimi Attachment
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Flexor Digiti Minimi Brevis Action
Flexor Digiti Minimi Brevis Action
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Opponens Digiti Minimi Function
Opponens Digiti Minimi Function
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Hypothenar Muscle Group
Hypothenar Muscle Group
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Trapezius Muscle Action
Trapezius Muscle Action
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Latissimus Dorsi Muscle Action
Latissimus Dorsi Muscle Action
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Levator Scapulae Action
Levator Scapulae Action
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What are the muscles of the shoulder?
What are the muscles of the shoulder?
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What are the compartments of the arm?
What are the compartments of the arm?
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What are the compartments of the forearm?
What are the compartments of the forearm?
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Muscle Groups of the Hand
Muscle Groups of the Hand
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FCR Action
FCR Action
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Palmaris Longus Action
Palmaris Longus Action
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FCU Action
FCU Action
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FDS Action
FDS Action
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FDP Action
FDP Action
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FPL Action
FPL Action
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Flexor Muscle Group
Flexor Muscle Group
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Innervation of Flexor Muscles
Innervation of Flexor Muscles
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Rhomboid Muscles
Rhomboid Muscles
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What muscle initiates abduction of the arm?
What muscle initiates abduction of the arm?
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Infraspinatus Action
Infraspinatus Action
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Teres Minor Action
Teres Minor Action
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Teres Major Action
Teres Major Action
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Subscapularis Action
Subscapularis Action
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Biceps Brachii Action
Biceps Brachii Action
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Coracobrachialis Action
Coracobrachialis Action
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Brachialis Action
Brachialis Action
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Triceps Brachii Action
Triceps Brachii Action
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Opponens Pollicis Action
Opponens Pollicis Action
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Flexor Pollicis Brevis Action
Flexor Pollicis Brevis Action
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Abductor Digiti Minimi Action
Abductor Digiti Minimi Action
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Hypothenar Muscles
Hypothenar Muscles
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Extensor Digitorum Action
Extensor Digitorum Action
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Deep Layer of Forearm
Deep Layer of Forearm
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Extensor Muscles of the Forearm
Extensor Muscles of the Forearm
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Posterior Interosseous Nerve
Posterior Interosseous Nerve
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Extensor Pollicis Brevis (EPB) Function
Extensor Pollicis Brevis (EPB) Function
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Pronator Teres Action
Pronator Teres Action
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Supinator Muscle Action
Supinator Muscle Action
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Extensor Carpi Radialis Brevis (ECRB) Action
Extensor Carpi Radialis Brevis (ECRB) Action
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Extensor Carpi Ulnaris (ECU) Action
Extensor Carpi Ulnaris (ECU) Action
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Flexor Carpi Radialis (FCR) Action
Flexor Carpi Radialis (FCR) Action
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Flexor Carpi Ulnaris (FCU) Action
Flexor Carpi Ulnaris (FCU) Action
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Flexor Digitorum Superficialis (FDS) Action
Flexor Digitorum Superficialis (FDS) Action
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Flexor Digitorum Profundus (FDP) Action
Flexor Digitorum Profundus (FDP) Action
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Flexor Pollicis Longus (FPL) Action
Flexor Pollicis Longus (FPL) Action
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Extensor Indicis - Proximal Attachment
Extensor Indicis - Proximal Attachment
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Extensor Indicis - Distal Attachment
Extensor Indicis - Distal Attachment
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Extensor Indicis - Innervation
Extensor Indicis - Innervation
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Extensor Indicis - Muscle Action
Extensor Indicis - Muscle Action
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Opponens Pollicis - Proximal Attachment
Opponens Pollicis - Proximal Attachment
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Opponens Pollicis - Distal Attachment
Opponens Pollicis - Distal Attachment
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Opponens Pollicis - Innervation
Opponens Pollicis - Innervation
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Opponens Pollicis - Muscle Action
Opponens Pollicis - Muscle Action
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Lumbricals
Lumbricals
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Innervation of Hand Muscles
Innervation of Hand Muscles
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Study Notes
Table 1-6: Close-Packed Positions of Joints
- Zygapophyseal (spine): Extension
- Temporomandibular: Teeth clenched
- Glenohumeral: Abduction and external rotation
- Acromioclavicular: Arm abducted to 90 degrees
- Sternoclavicular: Arm resting by side
- Ulnohumeral: Elbow flexed 90 degrees, forearm supinated 5 degrees
- Radiohumeral: Extension
- Proximal radioulnar: 5 degrees of supination
- Distal radioulnar: 5 degrees of supination
- Radiocarpal (wrist): Extension with radial deviation
- Carpometacarpal: Full opposition
- Metacarpophalangeal: Full flexion
- Interphalangeal: Full extension
- Hip: Full extension, internal rotation, and abduction
- Tibiofemoral: Full extension and external rotation of tibia
- Talocrural (ankle): Maximum dorsiflexion
- Subtalar: Supination
- Midtarsal: Supination
- Tarsometatarsal: Supination
- Metatarsophalangeal: Full extension
- Interphalangeal: Full extension
Table 1-7: Open-Packed (Resting) Positions of Joints
- Zygapophyseal (spine): Midway between flexion and extension
- Temporomandibular: Mouth slightly open (freeway space)
- Glenohumeral: 55 degrees of abduction, 30 degrees of horizontal adduction
- Acromioclavicular: Arm resting by side
- Sternoclavicular: Arm resting by side
- Ulnohumeral: 70 degrees of flexion, 10 degrees of supination
- Radiohumeral: 70 degrees of flexion, 35 degrees of supination
- Proximal radioulnar: 10 degrees of supination
- Radiocarpal (wrist): Neutral with slight ulnar deviation
- Carpometacarpal: Midway between abduction-adduction and flexion-extension
- Metacarpophalangeal: Slight flexion
- Interphalangeal: Slight flexion
- Hip: 10-30 degrees of flexion, 10-30 degrees of abduction, and 0-5 degrees of external rotation
- Tibiofemoral: 25 degrees of flexion
- Talocrural (ankle): 10 degrees of plantar flexion, midway between maximum inversion and eversion
- Subtalar: Midway between extremes of range of movement
- Midtarsal: Midway between extremes of range of movement
- Tarsometatarsal: Midway between extremes of range of movement
- Metatarsophalangeal: Neutral
- Interphalangeal: Slight flexion
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Test your knowledge on the anatomy of forearm muscles, including their attachments, innervations, and actions. This quiz covers essential topics such as the flexor and extensor muscles of the forearm, their functions, and anatomical relationships.
