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Back Up MSK > Set 4 > Flashcards

Set 4 Flashcards

1
Q

Draw an intratendinous partial thickness supraspinatus tear (longitudinal):

A
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2
Q

Draw a full thickness supraspinatus tear (longitudinal):

A
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3
Q

Identify the labeled structures in this transverse view of the anterior proximal humerus:

A
  1. Deltoid muscle
  2. Pectoralis major muscle—clavicular head
  3. Deltopectoral groove
  4. Pectoralis major tendon
  5. Biceps brachii—long head
  6. Biceps brachii—short head
  7. Coracobrachialis
  8. Humerus
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4
Q

Identify the labeled structures in this transverse view of the anterior proximal humerus:

A
  1. Deltoid muscle
  2. Long head biceps brachii tendon
  3. Transverse humeral ligament
  4. Greater tuberosity
  5. Lesser tuberosity
  6. Subscapularis (with anisotropy)
  7. Bicipital groove
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5
Q

Identify the labeled structures in this transverse view of the anterolateral shoulder:

A
  1. Deltoid muscle
  2. Supraspinatus
  3. Long head biceps tendon
  4. Subscapularis
  5. Humeral head
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6
Q

Identify the labeled structures in this transverse view of the anterolateral shoulder:

A
  1. Coracoacromial ligament
  2. Deltoid muscle
  3. Supraspinatus
  4. Coracoid process
  5. Acromion process
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7
Q

Identify the labeled structures in this transverse view of the anterior shoulder:

A
  1. Deltoid muscle
  2. Subscapularis tendon
  3. Lesser tuberosity of humerus
  4. Coracoid process
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8
Q

Identify the structures labeled in this transverse view of the proximal humerus just distal to the pectoralis major insertion:

A
  1. Long head biceps brachii muscle
  2. Short head biceps brachii muscle
  3. Coracobrachialis muscle
  4. Musculocutaneous nerve
  5. Humeral shaft
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9
Q

Identify the labeled structures in this view of the lateral shoulder:

A
  1. Acromion process
  2. Humeral head with overlying anechoic articular cartilage
  3. Greater tuberosity of humerus
  4. Supraspinatus tendon (with anisotropy at the insertion)
  5. Deltoid muscle
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10
Q

Identify the labeled structures in this transverse view of the posterior shoulder:

A
  1. Glenoid process
  2. Humeral head
  3. Posterior glenoid labrum
  4. Spinoglenoid notch
  5. Suprascapular nerve
  6. Infrasinatus muscle
  7. Deltoid muscle
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11
Q

Brachialis

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Lower half of anterior humerus
  • Insertion: Coronoid process of ulna
  • Action: Flexion of elbow
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12
Q

Brachioradialis

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Upper lateral supracondylar ridge of humerus
  • Insertion: Styloid process of radius
  • Action: Flexion of elbow
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13
Q

Extensor carpi radialis longus

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Lateral supracondylar ridge of humerus
  • Insertion: Dorsal 2nd metacarpal base
  • Action: Extension and abduction of wrist
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14
Q

Extensor carpi radialis brevis

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Lateral epicondyle via common extensor tendon
  • Insertion: Dorsal 3rd metacarpal base
  • Action: Extension and abduction of the wrist
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15
Q

Extensor digitorum

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Lateral epicondyle via common extensor tendon
  • Insertion: Extensor expansion of digits 2-5
  • Action: Extension of digits 2-5 and wrist
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16
Q

Extensor digiti minimi

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Lateral epicondyle via common extensor tendon
  • Insertion: Extensor expansion of digit 5
  • Action: Extension of digit 5 and wrist
17
Q

Extensor carpi ulnaris

  • Origin:
  • Insertion:
  • Action:
A
  • Origin:
    • Humeral head—lateral epicondyle via common extensor tendon and
    • Ulnar head—upper posterior ulna
  • Insertion: Medial base of 5th metacarpal
  • Action: Extension and adduction of wrist
18
Q

Supinator

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Lateral epicondyle, proximal ulna, RCL, and annular ligament
  • Insertion: Lateral proximal 1/3 of radius
  • Action: Supination of forearm
19
Q

Flexor carpi radialis

  • Origin:
  • Insertion:
  • Action:
A
  • Origin: Medial epicondyle via common flexor tendon
  • Insertion: Volar base of metacarpals 2 and 3
  • Action: Flexion and abduction of wrist
20
Q

Flexor carpi ulnaris

  • Origin:
  • Insertion:
  • Action:
A
  • Origin:
    • Humeral head—medial epicondyle via common flexor tendon and
    • Ulnar head—medial olecranon and posterior ulna
  • Insertion: Pisiform, hook of hamate, volar base of 5th metacarpal
  • Action: Flexion and adduction of wrist

Back Up MSK (11 decks)

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