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Actions Of Muscles > PTA 110 Mid-term Study Guide > Flashcards

PTA 110 Mid-term Study Guide Flashcards

0
Q

What muscle is only responsible for supination of the forearm?

A

Supinator

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1
Q

What muscle is responsible for both humeroulnar Flexion and forearm supination?

A

Biceps Brachii

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2
Q

What two muscles do pronation?

A

Pronator Teres

Pronator Quadratus

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3
Q

What four muscles do carpometacarpal motions? Which of these muscles is innervated by the ulnar nerve?

A

Abductor pollicis longus
Abductor pollicis brevis
Flexor pollicis longus
Flexor pollicis brevis - ulnar nerve

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4
Q

What two muscles flex the fingers? Which of the two inserts at the distal phalanges?

A

Flexor Digitorum Superficialis

Flexor Digitorum Profundus - inserts at the distal phalanges

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5
Q

What muscles extend the fingers and where are the insertions?

A

Extensor Digitorum - bases of middle and distal phalanges of 2nd-5th fingers
Extensor indicis - tendon of the extensor digitorum at the level of the 2nd metacarpal
Lumbricals of the hand - extensor aponeurosis on dorsal surface of phalanges

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6
Q

What is the term for all the 1st digit muscles?

A

Pollicis

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7
Q

What is the name of the muscle that performs opposition?

A

Opponens pollicis

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8
Q

What two muscles, one scapular stabilizer and one GH stabilizer are innervated by the dorsal scapular nerve?

A

Rhomboid major

Rhomboid minor

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9
Q

What nerve is responsible for the 60° of scapulohumeral motion?

A

Long thoracic

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10
Q

What nerve is responsible for 120° of scapulohumeral motion?

A

Axillary

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11
Q

What nerve is responsible for GH external rotation?

A

Suprascapular

Axillary

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12
Q

What nerve is responsible for humeroulnar Flexion?

A

Musculocutaneous

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13
Q

What nerve is responsible for all elbow, wrist, and hand extension?

A

Radial

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14
Q

What nerve is responsible for MCP abduction and Adduction?

A

Ulnar

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15
Q

What two nerve are responsible for carpometacarpal ulnar deviation?

A

Radial (extensor Carpi ulnaris)

Ulnar (flexor Carpi ulnaris)

16
Q

What nerve is responsible for grip with thumb opposition?

A

Median

17
Q

Scapular stabilizers

A

Rhomboids

Trapezius

18
Q

Scapular movers

A

Stratus anterior

19
Q

Glenohumeral stabilizers (in GH Adduction)

A

Latissimus Dorsi

Pectoralis major

20
Q

Bones that comprise the shoulder complex

A

Clavicle
Humerus
Sternum
Scapula

Actions Of Muscles (3 decks)

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