Shoulder Flashcards
joints of shoulder
SC: sternoclavicular
AC:acromioclavicular
ST:scapulothoracic
GH:glenohumeral
Anterior axio-appendicular muscles
Pectoral major
Pectoral minor
Subclavius
Serratus anterior
Pectoral major
1/2middle clavicle, anterior surface of sternum, superior 6 costal cartilages
Lateral lip of intertubercular sulcus
Adduction and internal humerus
Flexes humerus
Extends humerus from flexed
Lateral and medial pectoral nerve
Pectoral minor
Anterior surface of 3-5 ribs near costal cartilages
Coracoid process
Stabilises scapula; draws scapula anteriorly and inferiorly against thorax
Medial pectoral nerve
Subclavius
Costal cartilaginous joint 1 rib
Inferior surface middle 1/3 clavicle
Stabilises clavicle into SCJ
Nerve to subclavius
Serratus anterior
External lateral surface ribs 1-8
Anterior surface of medial border of scapula
Stabilises scapula against thoracic wall. Protract and upwardly rotate scapula.
posterior axio-appendicular region
Trapezius
Latissimus dorsi
Levator scapulae
Rhomboid minor
Rhomboid major
Trapezius
Superior nuchal line and nuchal ligament, c7-T12 spinous process, occipital protuberance
Spine of scapula and 1/3 lateral clavicle
Elevation, retraction, depression and upward rotation
Accessory nerve
Latissimus dorsi
Spinous process T6-T12, TLF, inferior 3-4 ribs, iliac crest
Intertubercular sulus of humerus
Adduction, extension and internal rotation
Thoracodosal nerve
Levator scapulae
C1-C4 transverse process
Superior angle of scapula, spine of scapula
Elevation, side flexion of neck, control scapula in UP movements
3&4 cervial nerve and dorsal scapular nerve
Rhomboid minor
C7-T1 spinous process
Spine of scapula
Retraction, rotation, fix scapula to thoracic wall
Dorsal scapula nerve
Rhomboid major
T2-T5 spinous process
From spine to inferior angle of scapular
Retraction, rotation, fix scapula to thoracic wall
Dorsal scapula nerve
Scapulohumeral muscles
Deltoid
Supraspinatus
Infraspinatus
Subscapularis
Teres minor
Teres major
Rotator cuff
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
Deltoid
Lateral 1/3 clavicle, spine of scapula, acromion
Deltoid tuberosity
Abduction, extension and flexion
Shunt muscle
Axillary nerve
Supraspinatus
Supraspinous fossa
Greater tubercle
Assist abduction
Stabilise head of humerus in Glenoid fossa
Suprascapular nerve