Muscles - Flashcards
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Questions and Answers

Sternum, Clavicle, Mastoid process; Rotation to opposite side(contralateral), Flexion and lateral flexion

Sternocleidomastoid (SCM)

Flexion of spine

Rectus Abdominis

Extension of spine

Erector Spinae Group (Illiocostalis, Longissimus, Spinalis)

Lateral flexion and rotation of spine

<p>Internal and External Obliques</p> Signup and view all the answers

Lateral flexion of spine

<p>Quadratus Lumborum</p> Signup and view all the answers

Spine of scapula, inferior and superior angles, Acromion process, Coracoid process, Glenoid fossa(Glenohumeral joint)

<p>Landmarks of scapula</p> Signup and view all the answers

Greater and Lesser tubercle; Medial and Lateral Epicondyle

<p>Landmarks of humerus</p> Signup and view all the answers

Styloid Process; Head of Radiu

<p>Landmarks of radius</p> Signup and view all the answers

Styloid Process; Head of Ulna; Olecranon Process

<p>Landmarks of the ulna</p> Signup and view all the answers

Upper Trapezius; Levator scapulae

<p>Elevate</p> Signup and view all the answers

Lower Trapezius

<p>Depress</p> Signup and view all the answers

Pectoralis Minor (attaches to coracoid process of scapula along with Long head of biceps and coracobrachialis muscles)

<p>Protract</p> Signup and view all the answers

Rhomboids (Deep to traps); Middle Trapezius

<p>Retract</p> Signup and view all the answers

Rotator Cuff Muscles: Abduct shoulder Externally rotate shoulder Externally rotate shoulder Internally rotate shoulder

<p>Rotator Cuff Muscles: Supraspinatus Infraspinatus Teres minor Subscapularis</p> Signup and view all the answers

Adduction, internal/medial rotation, extension

<p>Latissimus Dorsi</p> Signup and view all the answers

adduction of humerus/shoulder; internal/medial rotation

<p>Pectoralis Major</p> Signup and view all the answers

Extension of shoulder; external or lateral rotation of shoulder

<p>Posterior Deltoid</p> Signup and view all the answers

Abduction of shoulder

<p>Middle Deltoid</p> Signup and view all the answers

Flexion of shoulder; internal or medial rotation of shoulder

<p>Anterior Deltoid</p> Signup and view all the answers

Supination of forearm, Flexion of elbow, Flexion of shoulder

<p>Bicep</p> Signup and view all the answers

Extension of shoulder and elbow

<p>Tricep</p> Signup and view all the answers

Pronating forearm

<p>Pronator Teres</p> Signup and view all the answers

Cover back of arm and forearm(SJ channel)

<p>Radial</p> Signup and view all the answers

Ventral side Fingers 1-3 and up from there(Lung/LI channels)

<p>Median</p> Signup and view all the answers

Ventral side, fingers 4-5 and up from there (Heart/SI channels)

<p>Ulnar</p> Signup and view all the answers

made of ischium and pubic bones

<p>Obturator foramen</p> Signup and view all the answers

Depression on illium where head of femur connects

<p>Acetabulum</p> Signup and view all the answers

Greater and Lesser Trochanter, Medial and Lateral Epicondyle

<p>Landmarks of femur</p> Signup and view all the answers

Tibial Tuberosity(where quadricep muscles insert), Medial Malleolus

<p>Landmarks on Tibia</p> Signup and view all the answers

Head of Fibula (GB 34 is just below this), Lateral Malleolus

<p>Landmarks on fibula</p> Signup and view all the answers

Flexion of hip

<p>Psoas, Illiacus, Rectus Femoris</p> Signup and view all the answers

Extend the hip

<p>Hamstrings (Biceps Femoris, Semitendinosus, Semimembranosus)</p> Signup and view all the answers

Extends, abducts, and laterally rotates the hip

<p>Gluteus Maximus</p> Signup and view all the answers

Extend the knee

<p>Quadriceps(Rectus Femoris, Vastus Medialis, Vastus Lateralis, Vastus Intermedius)</p> Signup and view all the answers

Flexion of knee

<p>Hamstrings</p> Signup and view all the answers

Plantarflexion

<p>Gastrocnemius</p> Signup and view all the answers

Deep to gastroc; Plantarflexion

<p>Soleus</p> Signup and view all the answers

Dorsiflexion; Inversion of ankle

<p>Tibialis Anterior</p> Signup and view all the answers

Eversion of ankle

<p>Peroneus longus and brevis:</p> Signup and view all the answers

Anterior thigh, sensory to front of thigh, controls quads

<p>-Femoral</p> Signup and view all the answers

Longest/thickest nerve in body; Runs down back of leg so carries sensation on back of leg and controls hamstrings, calves, etc

<p>sciatic</p> Signup and view all the answers

Flashcards

Sternocleidomastoid (SCM)

A muscle that rotates the head to the opposite side and flexes the neck

Rectus Abdominis

Muscle responsible for flexing the spine (and the abdomen).

Erector Spinae Group

A group of muscles that extends the spine(Important postural muscle).

Internal and External Obliques

Muscles that flex, rotate, and laterally flex the spine.

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Quadratus Lumborum

Muscle that laterally flexes the spine.

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Landmarks of Scapula

The key parts of the scapula, important for identifying the bone and attachment points of muscles.

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Landmarks of Humerus

Key bony parts of the humerus, such as tubercles and epicondyles.

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Landmarks of Radius

Important bony parts of the radius.

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Landmarks of Ulna

Important bony parts of the ulna.

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Elevate

To raise or lift a structure

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Lower Trapezius

Muscle responsible for depressing the scapula

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Pectoralis Minor

Muscle that protracts the scapula.

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Rhomboids

Retract the scapula

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Middle Trapezius

Muscle involved in retracting the scapula.

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Rotator Cuff Muscles

Group of muscles that stabilize and move the shoulder.

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Supraspinatus

Abducts the shoulder.

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Infraspinatus

Externally rotates the shoulder.

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Teres Minor

Externally rotates the shoulder.

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Subscapularis

Internally rotates the shoulder.

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Latissimus Dorsi

Muscle responsible for adduction, internal rotation, and extension of the humerus (upper arm).

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Pectoralis Major

Muscle that adducts and internally rotates the humerus.

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Posterior Deltoid

Extends and externally rotates the shoulder.

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Middle Deltoid

Abducts the shoulder (lifting arm)

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Anterior Deltoid

Flexes and internally rotates the shoulder.

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Biceps Brachii

Flexes the elbow, supinates the forearm, and flexes the shoulder.

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Triceps Brachii

Extends the elbow and shoulder.

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Pronator Teres

Pronates the forearm.

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Radial Nerve

Sensory and motor nerve in the back of the arm and forearm.

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Median Nerve

Sensory and motor nerve in the fingers 1-3.

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Ulnar Nerve

Sensory and motor nerve to fingers 4-5.

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Obturator Foramen

Opening in the hip bone formed by the ischium and pubic bones.

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Acetabulum

Depression on the ilium where the head of the femur connects.

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Landmarks of Femur

Key bony landmarks of the femur.

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Landmarks of Tibia

Key bony landmarks of the tibia.

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Landmarks of Fibula

Key bony landmarks of the fibula.

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Psoas & Illiacus

Hip flexors.

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Hamstrings

Extends the hip and flexes the knee.

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Gluteus Maximus

Extends hip and laterally rotates hip.

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Quadriceps

Extends the knee.

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Hamstrings

Flexes the knee.

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Gastrocnemius

Plantar flexes the foot.

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Soleus

Plantar flexes the foot.

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Tibialis Anterior

Dorsiflexes and inverts the foot.

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Peroneus Longus and Brevis

Everts the foot.

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Femoral Nerve

Controls quadriceps and sensory to front of thigh.

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Sciatic Nerve

Longest/thickest nerve; sensation on back of leg and controls hamstrings, calves, etc.

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