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Anatomy > MSK (upper limb) > Flashcards

MSK (upper limb) Flashcards

1
Q

What is the innervation of pectoralis major?

A

Medial and lateral pectoral nerves

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2
Q

What is the innervation of pectoralis minor?

A

Medial pectoral nerve

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3
Q

What is the innervation of serratus anterior?

A

Long thoracic nerve

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4
Q

Name the 3 anterior axio-appendicular muscles

A

Pectoralis major
Pectoralis minor
Serratus anterior

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5
Q

What is the innervation of trapezius?

A

CNXI

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6
Q

What is the innervation of rhomboid minor?

A

Dorsal scapula nerve

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7
Q

What is the innervation of latissimus dorsi?

A

Thoracodorsal nerve

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8
Q

What is the innervation of rhomboid major?

A

Dorsal scapula nerve

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9
Q

Name the 4 posterior axio-appendicular muscles?

A

Trapezius
Latissimus dorsi
Rhomboid minor
Rhomboid major

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10
Q

What 1 muscles of the scapular region is associated with the upper limb?

A

Levator scapulae

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11
Q

What are the 4 muscles of the rotator cuff?

A

Supraspinatus
Infraspinatus
Subscaluraris
Teres minor

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12
Q

What are the attachments of the rotator cuff muscles?

A

Supraspinatus, infraspinatus and teres minor all to the greater tuberosity
Subscapularis to the lesser tuberosity

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13
Q

What is the action of the rotator cuff?

A

Hold the humeral head in the glenoid fossa

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14
Q

What are the innervation of the 4 rotator cuff muscles?

A

Supraspinatus suprascalupar nerve (C5-C6)
Infraspinatus suprascalupar nerve (C5-c6)
Teres minor axillary nerve (C5-C6)
Subscapularis lower subscapular nerve (C5-C7)

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15
Q

Arm
Anterior compartment
Action? (2 + exception)

A

Flexion of arm and forearm

Biceps brachii also supinates the forearm

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16
Q

Arm
Anterior compartment
Innervation?

A

Musculocutaneous nerve

17
Q

Arm
Posterior compartment
Action?

A

Extension of the arm and forearm

18
Q

Arm
Posterior compartment
Innervation?

A

Radial nerve

19
Q

Forearm
Anterior compartment
Superficial
Action? (3)

A

Flexion of the wrist and digits
Pronation
Abduction-adduction of the wrist

20
Q

Forearm
Anterior compartment
Superficial
Innervation?

A

Median nerve

Carpi ulnaris by ulnar nerve

21
Q

Forearm
Anterior compartment
Intermediate
Action?

A

Flexion of the digits at the PIP

22
Q

Forearm
Anterior compartment
Intermediate
Innervation?

A

Median nerve

23
Q

Forearm
Anterior compartment
Deep
Action?

A

Flexion of the digits at the DIP

Pronator quadratus does pronation

24
Q

Forearm
Anterior compartment
Deep
Innervation?

A

Medial nerve

Medial half of flexor digitorum profundus by ulnar nerve

25
Q

Forearm
Posterior compartment
Superficial
Action? (3)

A

Extension of the wrist and digits
Supination
Abduction and adduction of the wrist

26
Q

Forearm
Posterior compartment
Superfical
Innervation?

A

Radial nerve

27
Q

Forearm
Posterior compartment
Deep
Action? (3)

A

Extension of the wrist and digits
Supination
Abduction and adduction of the wrist

28
Q

Forearm
Posterior compartment
Deep
Innervation?

A

Radial nerve

29
Q

What innervates the thenar eminence?

A

Recurrent branch of the median nerve

30
Q

What innervated the hypothenar eminence?

A

Deep branch of the ulnar nerve

31
Q

What are the intrinsic muscles of the hand?

A

4 lumbricals
Palmar interossei
Dorsal interossei

32
Q

What is the innervation to the lumbricals?

A

Median nerve for lateral 2

Ulnar nerve for medial 2

33
Q

What is the innervation of the interossei muscles?

A

Ulnar nerve

34
Q

What is the action of the interossei muscles?

A

Dorsal, abduction of the digits

Palmar, adduction of the digits

Anatomy (6 decks)

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