Anatomy Of Shoulder Region

Question 1

Ligaments of shoulder joint?

Answer 1

Coracoclavicular
Coracoacromial
Glenohumeral:
Superior middle and inferior

Question 2

Which joint prevent superior dislocation?

Answer 2

Coracoacromial

Question 3

Deltoid muscle origin, insertion and role?

Answer 3

Origin- spine of scapula and acromion, clavicle
Inserts onto deltoid tuberosity

Abduction

Question 4

Anterior fibres of deltoid help with?

Answer 4

Flexion and medial rotation

Question 5

Posterior fibres of deltoid do?

Answer 5

Extension, lateral rotation

Question 6

Deltoid is supplied by?

Answer 6

Axillary nerve

Question 7

Adduction of arm done by?

Answer 7

Latissimus dorsi, pec major

Question 8

Overhead abduction muscles helping?

Answer 8

Trapezius and serratus anterior

Question 9

Overhead Adduction of arm?

Answer 9

Levator scapulae and rhomboids

Question 10

Long head of biceps joins at?

Answer 10

Supraglenoid tubercle

Question 11

Brachialis only helps with?

Answer 11

Flexion of forearm

Question 12

Long head of triceps joins at?

Answer 12

Infraglenoid tubercle

Starts at olecranon

Question 13

Which dislocation of shoulder is common?

Answer 13

Anterior, humeral head descends down then anterior

Question 14

Glenoid labrum is?

Answer 14

Cartilage deepens glenoid fossa

Question 15

What runs through bicipital groove?

Answer 15

Long head of biceps

Question 16

Which ligament runs over bicipital groove?

Answer 16

Transverse humeral ligament

Question 17

Subscapularis inserts onto?

Answer 17

Lesser tubercle

Question 18

Teres minor comes from?

Answer 18

Lateral border of scapula

Question 19

Which muscle initiates of abduction?

Answer 19

Supraspinatus, initial 10-15 degrees

Question 20

Infraspinatus and teres minor are?

Answer 20

Lateral rotators

Question 21

Subscapularis action?

Answer 21

Medial rotation

Question 22

Supraspinatus injury?

Answer 22

Decreasing of fluid in subacromial bursa,

Impingement of supraspinatus

Question 23

Scapula anastomoses?

Answer 23

Suprascapular form thyrocervical trunk and dorsal scapular from subclavian and subscapular (from axillary)

Question 24

Suprascapular nerve supplies?

Answer 24

Supraspinatus and infraspinatus, through scapula notch

Question 25

Suprascapular nerve comes from?

Answer 25

Branch of superior trunk

Question 26

Latissimus dorsi nerve?

Answer 26

Thoracodorsal

Question 27

Lateral pectoral nerve supplies?

Answer 27

Pec major

Question 28

What does medial pectoral nerve do?

Answer 28

Medial pectoral nerve pierces pec minor to supply pec major

Question 29

Coracoclavicular has 2 parts?

Answer 29

Conoid and trapezoid ligaments

Question 30

Flexion of arm happens through?

Answer 30

Biceps coracobrachialis and anterior fibres of deltoid

Question 31

Which muscles help with extension of arm?

Answer 31

Long head of triceps, posterior fibres of deltoid and latissimus dorsi

Question 32

Which insert onto greater tubercle?

Answer 32

Supraspinatus, infraspinatus and teres minor

Question 33

Teres major performs?

Answer 33

Medial rotation

Question 34

Origin and insertion of teres major?

Answer 34

Inferior angle of scapula to medial lip of bicipital groove

Question 35

Axillary nerve supplies?

Answer 35

Deltoid and teres minor

Question 36

Other nerves from posterior cords?

Answer 36

Upper/lower subscapular nerves | Thoracodorsal nerve

Question 37

Upper and lower subscapular nerves supply?

Answer 37

Subscapularis and teres major

Question 38

How is the quadrangular space formed?

Answer 38

Teres minor and major, humerus and long head of triceps

Question 39

Which is the major stabilising ligament of joint?

Answer 39

Coracoclavicular

Question 40

Which ligament prevent superior dislocation?

Answer 40

Coracoacromial

Question 41

Biceps insertion?

Answer 41

Radial tuberosity

Question 42

Coracobrachialis origin and insertion?

Answer 42

Coracoid process to anteromedial surface of shaft

Question 43

Triceps insertion and origin?

Answer 43

Origin- infraglenoid tubercle and posterior surface of humerus Insertion: olecranon of ulna and fascia of arm

Question 44

Rotator cuff muscles insert?

Answer 44

SIT onto greater tubercle

Question 45

Teres major origin and insertion?

Answer 45

Inferior angle of scapula to medial lip of bicipital groove Medial rotation

Question 46

Posterior cord nerves?

Answer 46

Axillary nerve Radial nerve Thoracodorsal nerve Upper/lower subscapular nerve

Question 47

What is the major stabilising ligament?

Answer 47

Coracoclavicular

Question 48

What helps with flexion of arm?

Answer 48

Corachobrachialis Biceps Anterior fibres of deltoid

Question 49

Extension of arm done by?

Answer 49

Posterior fibres of deltoid Latissimus dorsi Triceps

Question 50

Glenohumeral joints support?

Answer 50

Anterior of joint

Question 51

Rotator cuff muscle surround joint except?

Answer 51

Inferiorly

Question 52

Role of rotator cuff?

Answer 52

Together they stabilise the humeral head on the glenoid fossa

Question 53

What does teres major do?

Answer 53

Medial rotation and stabilises humerus during abduction

Question 54

What gives off suprascapular?

Answer 54

Thyrocervical trunk

Question 55

Upper and lower subscapular nerves supply?

Answer 55

Subscapularis | Teres major

Question 56

Lateral pec nerve supplies?

Answer 56

Pec major

Question 57

Medial pec nerve supplies?

Answer 57

Pec major and minor