MOIANL

Question 1

Upper Trapezius

Answer 1

• O - posterior occipital bone
• O - spinous processes C1-7 via nuchal ligament
• I - posterior lateral 1/3 of clavicle
• I - acromion process of scapula
• A - scapular elevation and upward rotation
• N - Spinal Accessory Nerve (XI) and APR C3-4
• L - C3-4

Question 2

Middle Trapezius

Answer 2

• O - spinous processes T1-5
• I - scapular spine
• A - scapular retraction
• N - Spinal Accessory Nerve (XI) and APR C3-4
• L - C3-4

Question 3

Lower Trapezius

Answer 3

• O - spinous processes T6-12
• I - medial 1/3 of scapular spine
• A - scapular depression and upward rotation
• N - Spinal Accessory Nerve (XI) and APR C3-4
• L - C3-4

Question 4

Levator scapulae

Answer 4

• O - transverse processes C1-4
• I - vertebral border of scapula between spine and superior angle
• A - scapular elevation and downward rotation
• N - Dorsal Scapular Nerve and APR C3-4
• L - C3-5

Question 5

Rhomboid minor

Answer 5

• O - spinous processes C7-T1
• I - vertebral border of scapula at root of scapular spine
• A - scapular retraction, elevation, and downward rotation
• N - Dorsal Scapular Nerve
• L - C5

Question 6

Rhomboid major

Answer 6

• O - spinous processes T2-5
• I - vertebral border of scapula inferior to scapular spine
• A - scapular retraction, elevation, and downward rotation
• N - Dorsal Scapular Nerve
• L - C5

Question 7

Serratus anterior

Answer 7

• O lateral surface ribs 1-8
• I - anterior surface of the vertebral border of scapula
• A - scapular protraction and upward rotation
• N - Long Thoracic Nerve
• L - C5-7

Question 8

Pectoralis minor

Answer 8

• O - anterior surface ribs 3-5
• I - coracoid process of scapula
• A - scapular protraction and upward rotation
• N - Medial Pectoral Nerve
• L - C8-T1

Question 9

Subclavius

Answer 9

• O - superior surface rib 1 at junction of costal cartilage
• I - inferior surface of clavicle
• A - stabilizes SC joint
• N - Subclavian Nerve
• L - C5-6

Question 10

Pectoralis major

Answer 10

• O - clavicular: anterior medial 1/2 of clavicle
• O - sternal: manubrium and sternum body, costal cartilages ribs 1-6
• I - lateral lip of bicipital groove of humerus
• A - shoulder flexion, adduction, internal rotation, horizontal adduction
• N - Medial and Lateral Pectoral Nerves
• L - C5-T1

Question 11

Anterior Deltoid

Answer 11

• O - lateral 1/3 of clavicle
• I - deltoid tuberosity of the humerus
• A - shoulder abduction, flexion, internal rotation, and horizontal adduction
• N - Axillary Nerve
• L - C5-6

Question 12

Middle Deltoid

Answer 12

• O - acromion process
• I - deltoid tuberosity of the humerus
• A - shoulder abduction
• N - Axillary Nerve
• L - C5-6

Question 13

Posterior Deltoid

Answer 13

• O - spine of scapula
• I - deltoid tuberosity of the humerus
• A - shoulder abduction, extension, external rotation, and horizontal abduction
• N - Axillary Nerve
• L - C5-6

Question 14

Latissimus dorsi

Answer 14

• O - spinous processes T7-L5
• O - posterior sacrum
• O - iliac crest
• O - ribs 10-12
• O - inferior angle of scapula
• I - medial lip of bicipital groove of humerus
• A - shoulder extension, adduction, and internal rotation
• N - Thoracodorsal Nerve
• L - C6-8

Question 15

Supraspinatus

Answer 15

• O - supraspinous fossa of scapula
• I - upper facet of greater tubercle of humerus
• A - shoulder abduction
• N - Suprascapular Nerve
• L - C5-6

Question 16

Infraspinatus

Answer 16

• O - infraspinous fossa of scapula
• I - middle facet of greater tubercle of humerus
• A - shoulder external rotation and horizontal abduction
• N - Suprascapular Nerve
• L - C5-6

Question 17

Teres minor

Answer 17

• O - axillary border of scapula
• I - lower facet of greater tubercle of humerus
• A - shoulder external rotation and horizontal abduction
• N - Axillary Nerve
• L - C5-6

Question 18

Subscapularis

Answer 18

• O - subscapular fossa
• I - lesser tubercle of humerus
• A - shoulder internal rotation
• N - Upper and Lower Subscapular Nerves
• L - C5-6

Question 19

Teres major

Answer 19

• O - axillary border of the scapula near inferior angle
• I - crest of the lesser tubercle of humerus
• A - shoulder extension, internal rotation and adduction
• N - Lower Subscapular Nerve
• L - C5-7

Question 20

Coracobrachialis

Answer 20

• O - coracoid process of scapula
• I - medial humerus at midpoint
• A - shoulder adduction, flexion, and horizontal adduction
• N - Musculocutaneous Nerve
• L - C5-7

Question 21

Biceps brachii

Answer 21

• O - long head - supraglenoid tubercle of scapula
• O - short head - coracoid process of scapula
• I - radial tuberosity of radius
• A - shoulder flexion, elbow flexion, and forearm supination
• N - Musculocutaneous Nerve
• L - C5-6

Question 22

Triceps brachii

Answer 22

• O - long head - infraglenoid tubercle of scapula
• O - medial head - distal posterior humerus
• O - lateral head - superior postolateral humerus
• I - olecranon process of ulna
• A - shoulder extension and elbow extension
• N - Radial Nerve
• L - C6-8