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Anatomy > Muscles Of The Upper Limb > Flashcards

Muscles Of The Upper Limb Flashcards

1
Q

What are the muscles of the upper limb categorized into?

A

1) muscles connecting the upper limb to the thorax
2) muscles connecting the upper limb to the vertebral column
3) muscles of the scapula
4) muscles of the arm
5) muscles of the forearm
6) muscles of the hand

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2
Q

What are the 4 muscles connecting the upper limb to the thorax?

A

Pectoralis major, pectoralis minor, subclavius, serratus anterior

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3
Q

What are actions of pectoralis major?

A

Adduction, flexion, medial rotation of the arm

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4
Q

What are action of pectoralis minor?

A

Depression of the shoulder

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5
Q

What is the action of the subclavius?

A

Depression of the clavicle

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6
Q

What is the action of serratus anterior?

A

Rotation of the scapula

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7
Q

What are the muscles connecting the upper limb to the vertebral column?

A

Trapezius, levator scapulae, rhomboidus minor, rhomboidus major, latissimus dorsi, Teres major and minor

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8
Q

What is the action of the trapezius?

A

Rotation of the scapula

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9
Q

What muscles have the action of retraction of the shoulder?

A

levator scapulae, rhomboidus minor and major

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10
Q

What is the action of the latissmmus dorsi?

A

Adduction, extension, medial rotation of the arm

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11
Q

What are the muscles of the shoulder?

A

Deltoid, supraspinatus, infraspinatus

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12
Q

What is the action of deltoid and supraspinatus?

A

Abduction of the arm

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13
Q

What are the muscles of the arm?

A

Biceps, Brachialis, coracobrachials, triceps

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14
Q

What is the action of biceps?

A

Flexion and supination of the forearm

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15
Q

What is the action of the triceps?

A

Extension of the elbow

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16
Q

What are the anterior group of muscles of the forearm?

A

Flexion muscle, pronation muscles → pronator teres & quadratus

17
Q

What are the posterior group of muscles of the forearm?

A

Extension muscle, supination muscle → supinator

18
Q

What is the lateral group of the muscle of the hand?

A

Thenar muscles

19
Q

What are the actions of thenar muscles?

A

Abduction, adduction, flexion and opposition of the thumb

20
Q

What are the middle group of muscles of the hand?

A

Muscles of the palm, between the metacarpal bones

21
Q

What are the actions of the muscles of the palm?

A

Abduction and adduction of the fingers, writing position

22
Q

What is the medial group of the muscles of the hand?

A

Hypothenar muscles

23
Q

What are the actions of the hypothenar muscles?

A

Abduction and flexion of the little finger

24
Q
A

Anatomy (14 decks)

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