Shoulder

Question 1

Shoulder joint

Answer 1

Glenohumeral

Question 2

Flexion

Answer 2

Deltoid, pec major, biceps brachii

Question 3

Extension

Answer 3

Deltoid, latissimus dorsi, teres major, infraspinatus, teres minor, pec major, triceps brachii

Question 4

Horizontal abduction

Answer 4

Deltoid, infraspinastus, teres minor

Question 5

Horizontal adduction

Answer 5

Deltoid, pec major

Question 6

Abduction

Answer 6

Deltoid, supraspinastus,

Question 7

Adduction

Answer 7

Latissimus Doris, teres major, infraspinastus, teres minor, pec major, triceps brachii, coracobrachialis

Question 8

Lateral rotation

Answer 8

Deltoid, infraspinatus, teres minor,

Question 9

Medial rotation

Answer 9

Deltoid, latissimus dorsi, teres major, subscapularis, pec major

Question 10

Deltoid

Answer 10

Origin - lateral one third of the clavicle and spine of scapula
Insertion - deltoid tuberosity
Action - flexion of the shoulder, extension of the shoulder, horizontal abduction, horizontal adduction, abduction, lateral rotation, medial rotation,

Question 11

Pec major

Answer 11

Origin - medial half of the clavicle and sternum
Insertion - crest of greater tubercle of the humerus
Action - flexion of the shoulder, extension of the shoulder, horizontal adduction, adduction, medial rotation

Question 12

Biceps Brachii

Answer 12

Origin - coracoid process of the scapula
Insertion - tuberosity of the radius and aponeurosis of the biceps brachii
Action - flexion of the shoulder, flexion of the elbow

Question 13

Coracobrachialis

Answer 13

Origin - coracoid of the scapula
Insertion - medial surface of mid-humeral shaft
Action - flexion of the shoulder, adduction of the shoulder,

Question 14

Latissimus Dorsi

Answer 14

Origin - thoracolumbar fascia
Insertion - inter-tubercular groove of the humerus
Action - extension of the shoulder, adduction of the shoulder, medial rotation

Question 15

Tres major

Answer 15

Origin - lower one-third of lateral border of scapula
Insertion - crest of the lesser tubercle of the humerus
Action - extension of the shoulder, adduction of the shoulder, medial & lateral rotation,

Question 16

Infraspinatus

Answer 16

Origin - infraspinous fossa of the scapula
Insertion - greater tubercle of the humerus
Action - extension of the shoulder, horizontal abduction, adduction, lateral rotation

Question 17

Teres Minor

Answer 17

Origin - upper two-thirds of the lateral border of the scapula
Insertion - great tubercle of the humerus
Action - lateral rotation, adduction.

Question 18

Triceps Brachii

Answer 18

Origin - infraglenoid tubercle of the scapula
Insertion - olecranon process of the ulna
Action - extension of the shoulder, adduction,

Question 19

Supraspinatus

Answer 19

Origin - supraspinous fossa of the scapula
Insertion - greater tubercle of the femur
Action - abduct the shoulder

Question 20

Subscapularis

Answer 20

Origin - subscapular fossa of the scapula
Insertion - lesser tubercle of the humerus
Action - medial rotation

Question 21

Name shoulder ligaments

Answer 21

1. Coracohumeral ligament 2. Glenohumeral ligament