Podcast
Questions and Answers
From where does the humeral head of the flexor carpi ulnaris originate?
From where does the humeral head of the flexor carpi ulnaris originate?
- Base of metacarpals II and III
- Olecranon of the ulna
- Medial epicondyle of the humerus (correct)
- Coronoid process of the ulna
Which bones does the tendon of the flexor carpi ulnaris attach to?
Which bones does the tendon of the flexor carpi ulnaris attach to?
- Pisiform bone, hook of hamate, base of the 5th metacarpal (correct)
- Radial styloid and ulnar styloid
- Base of the 2nd and 3rd metacarpals
- Proximal phalanges of the fingers
What actions does the flexor carpi ulnaris perform at the wrist?
What actions does the flexor carpi ulnaris perform at the wrist?
- Flexion and adduction (correct)
- Extension and adduction
- Flexion and abduction
- Extension and abduction
Where does the palmaris longus attach?
Where does the palmaris longus attach?
What is the primary action of the flexor carpi radialis?
What is the primary action of the flexor carpi radialis?
Which structure does the pronator teres help form the medial border of?
Which structure does the pronator teres help form the medial border of?
How many heads does the flexor digitorum superficialis have?
How many heads does the flexor digitorum superficialis have?
To which part of the fingers does the flexor digitorum superficialis attach?
To which part of the fingers does the flexor digitorum superficialis attach?
What are the actions of the flexor digitorum superficialis?
What are the actions of the flexor digitorum superficialis?
Flashcards
Flexor Carpi Ulnaris Origin
Flexor Carpi Ulnaris Origin
Originates from the medial epicondyle of the humerus and the olecranon of the ulna.
Flexor Carpi Ulnaris Insertion
Flexor Carpi Ulnaris Insertion
Attaches to the pisiform bone, hook of hamate, and base of 5th metacarpal.
Flexor Carpi Ulnaris Action
Flexor Carpi Ulnaris Action
Flexes and adducts the wrist
Palmaris Longus Origin
Palmaris Longus Origin
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Palmaris Longus Insertion
Palmaris Longus Insertion
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Palmaris Longus Action
Palmaris Longus Action
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Pronator Teres Location
Pronator Teres Location
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Pronator Teres Action
Pronator Teres Action
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Flexor Digitorum Superficialis Action
Flexor Digitorum Superficialis Action
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Study Notes
Flexor Carpi Ulnaris
- Origins: Two heads - medial epicondyle of the humerus (with other superficial flexors) and olecranon of the ulna.
- Attachments: Pisiform bone, hook of hamate, and base of the 5th metacarpal.
- Actions: Wrist flexion and adduction.
Palmaris Longus
- Origin: Medial epicondyle.
- Attachment: Flexor retinaculum of the wrist.
- Actions: Wrist flexion.
Flexor Carpi Radialis
- Origin: Medial epicondyle.
- Attachment: Base of metacarpals II and III.
- Actions: Wrist flexion and abduction.
Pronator Teres
- Location: Forms the medial border of the cubital fossa (elbow).
- Origins: Medial epicondyle and coronoid process of the ulna.
- Attachment: Mid-shaft of the radius.
- Actions: Forearm pronation.
Flexor Digitorum Superficialis
- Origins: Two heads - medial epicondyle of the humerus and radius.
- Attachments: Splits into four tendons, attaching to the base of the middle phalanx of four fingers.
- Actions: Flexes metacarpophalangeal and proximal interphalangeal joints in the four fingers, and wrist flexion.
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