The shoulder Flashcards Preview

Anatomy Test 3 > The shoulder > Flashcards

Flashcards in The shoulder Deck (61)
Loading flashcards...
1

Synarthrosis

Joint with no movement

2

Amphiarthrosis

Joint with little movement

3

Diarthrosis

Joint with a lot of movement (i.e., most synovial joints)

4

Nonaxial

No axis of movement (wrist)

5

Uniaxial

Single axis of movement (elbow)

6

Biaxial

2 axes of movement (flexion/extension adduction/abduction)

7

Multiaxial

>2 axes of movement (shoulder)

8

Name of the shoulder joint

Glenohumeral joint

9

Characteristics of the Glenohumeral joint

Synovial joint
Diarthrotic
Multiaxial
Ball and socket

10

Bursae in the Shoulder

Subacromial bursa
Subdeltoid bursa
Subcoracoid bursa
Subscapular bursa

11

Subacromial bursa

Between acromion and supraspinatus tendon

12

Subdeltoid bursa

Between deltoid m. and joint capsule

13

Subcoracoid bursa

Between subscapularis m. and coracoid process
May be fused with subscapular bursa

14

Subscapular bursa

Between subscapularis m. and joint capsule, communicates with synovial cavity of joint.

15

Impingement Syndrom

Supraspinatus tendon (tendonitis)
Can involve subacromial (bursitis)

16

Scapulohumeral musculature attached:

the scapula to the humerus

17

Function of scapulohumeral musculature

Move humerus at the shoulder joint and contribute to the stabilization of the joint

18

Innervation of the Scapulohumeral Musculature

All innervated by the brachial plexus

19

Rotator Cuff Muscles

Subscapularis
Supraspinatus
Infraspinatus
Teres minor

20

Proximal attachment of the Deltoid

Lateral 1/3 of clavicle, acromion, and spine of scapula

21

Distal attachment of the Deltoid

Deltoid tuberosity of humerus

22

Actions of the Deltoid

Flexes, medially rotates, abducts, extends, and laterally rotates humerus
Does NOT adduct

23

Innervation of the Deltoid

Axillary Nerve

24

Proximal attachment of Teres Major

Posterior surface of inferior angle of scapula

25

Distal attachment of Teres Major

Medial lip of intertubercular (bicipital) groove of humerus

26

Actions of Teres Major

Adducts and medially rotates humerus
Synergist with Latissamis dorsi

27

Innervation of Teres Major

Lower subscapular nerve

28

Proximal attachment of Supraspinatus

Supraspinous fossa of scapula

29

Distal attachment of Supraspinatus

Superior facet of greater tubercle of humerus

30

Actions of Supraspinatus

Works with deltoid in abduction of humerus, acts with other rotator cuff muscles in stabilizing shoulder joint