shoulder joint muscles Flashcards
what are the rotator cuff muscles
supraspinatus
infraspinatus
teres minor
subscapularis
muscles that cause flexion, insertions and degrees
110 degrees
deltoid anterior fibres
pectoralis major clavicular head
muscles that cause extension, insertions and degrees
50-70 degrees
deltoid posterior fibres, Teresa major, lattisumus doors
pectoralis major sternocostal head
muscles that cause abduction, insertions and degrees
100-120 degrees
deltoid middle fibres
supraspinatus
muscles that cause adduction, insertions and degrees
30-40 degrees
against resistance by pectoralis major, lattisumus dorsi, teres major and coracobrachialis
muscles that cause medial rotation, insertions and degrees
90 degrees
subscapularis; pectoralis major; latissimus dorsi
deltoid anterior
muscles that cause lateral rotation, insertions and degrees
80 degrees
infraspinatus; teres minor
deltoid posterior
in which joints does the scapulohumeral rhythm occur in
glenohumeral joint
scapulothoracic joint
2; humerus abduction
1; scapula lateral rotation
in what planes does the rotator cuff muscles stabilise the glenohumeral joint
transverse and coronal planes
describe the axilla
near armpit
contains stratus anterior
pecs major and minor
biceps long head
subscapularis