shoulder girdle Flashcards
ligaments of the shoulder girdle
Superior, middle and inferior glenohumeral ligament
Redundant capsule
Coracohumeral ligament
Transverse humeral ligament
Coracoclavicular ligaments
Acromioclavicular ligament
list muscles involved in shoulder flexion
pectoralis major,
anterior deltoid,
coracobrachialis
list muscles of shoulder extension
posterior deltoid, latissimus doors, teres major
list muscles of shoulder abduction
supraspinatus, deltoid, trapezius, serratus anterior
list muscles of shoulder adduction
pectoralis major, latissimus doors, teres major
list muscles of shoulder internal rotation
subscapularis, pectorals major, teres major
list muscles of shoulder external rotation
infraspinatus and teres minor, posterior head of deltoid
structures responsible for shoulder stability
Rotator cuff muscle - subscapularis, supraspinatus, infraspinatus, teres minor
Glenoid labrum
Ligaments
Biceps tendon
innervation of the shoulder girdle hint; lateral and medial, posterior cord
Lateral cord
Musculocutaneous nerve
lateral pectoral nerve
lateral root at median
Medial cord
medial pectoral nerve
medial cutaneous nerve of arm and forearm
medial root of median
ulnar
Posterior cord
Subscapular nerve(2 superior and inferior)
nerve TO latissimus dorsi
Axillary nerve
list origin, insertion, innervation, action and blood supply of subscapularis
O - medial 2/3 of sub scapular fossa
I - lesser tubercle of humerus
N - upper and lower sub scapular nerves
A - medial rotation
list origin, insertion, innervation, action and blood supply of supraspinatus
O - medial 2/3 of supraspinatus fossa
I - greater tubercle of humerus
N - supra scapular nerve
A - abduction of shoulder an stabilisation
list origin, insertion, innervation, action and blood supply of infraspinatus
O - medial 2/3 of infraspinous fossa of scapula
I - middle facet of posterior surface of greater tubercle of humerus
N - Suprascapular nerve
A - lateral rotation and stabilisation
list origin, insertion, innervation, action and blood supply of teres minor
O - upper 2/3 of flattened strip of bone posterior of scapula, lateral border of scapula
I - inferior aspect of greater tubercle of humerus
N - axillary nerve
A - lateral rotation and stabilisation of GH joint