Shoulder (Glenohumeral) Joint Flashcards Preview

Board Review: General Anatomy Specific Joint Anatomy > Shoulder (Glenohumeral) Joint > Flashcards

Flashcards in Shoulder (Glenohumeral) Joint Deck (11):
1

What type of joint is the shoulder joint?

Synovial

2

What is the classification of the shoulder joint?

Ball and socket (spheroidal)

3

What bones are involved in the shoulder joint?

Glenoid fossa (deepened by labrum glenoidale)
Head of humerus

4

What ROM can the shoulder joint perform?

Flexion
Extension
Internal Rotation
External Rotation
Adduction
Abduction

5

What muscles are involved in flexion?

Pectoralis major
Anterior fibers of deltoid

6

What muscles are involved in extension?

Latissimus dorsi
Teres major
Posterior fibers of deltoid

7

What muscles are involved in Internal rotation?

Subscapularis
Pectorialis major
Teres major
Latissimus dorsi
Anterior fibers of deltoid

8

What muscles are involved in external rotation?

Posterior part of deltoid
Infraspinatus
Teres minor

9

What muscles are involved in adduction?

Pectoralis major
Teres major and minor
Latissimus dorsi
Subscapularis
Coracobrachialis

10

What muscles are involved in abduction?

Initiated by supraspinatus 0-15 degrees
Completed by deltoid 15-90 degrees

11

What innervates the shoulder joint?

Axillary N
Suprascapular N