upper body muscles - origin, insertion, and action
biceps brachii - action
Forearm: supination, flexion Arm: flexion
triceps brachii - origin
Long: infraglenoid tubercle Medial & Lateral: posterior humerus
biceps brachii - origin
Long: supraglenoid tubercle Short: coracoid process
supraspinatus - action
assists deltoid with abduction of humerus
teres minor - origin
axillary (lateral) border of scapula
deltoid - origin
clavicle acromion spine of scapula
deltoid - insertion
deltoid tuberosity
trapezius - action
elevates scapula and clavicle extends head and neck
latissimus dorsi - action
extension, adduction & medial rotation of humerus
teres major - action
extension, adduction & medial rotation of humerus
trapezius - origin
external occipital protuberance Ligamentum nuchae Spinous process (C7-T12)
deltoaid - action
flexion, extension, abduction, medial/lateral rotation of humerus
infraspinatus - insertion
greater tubercle of humerus
supraspinatus - insertion
greater tubercle of humerus
teres minor - insertion
greater tubercle of humerus
teres major - origin
inferior angle & axillary (lateral) borders of scapula
infraspinatus - origin
infraspinous fossa of scapula
latissimus dorsi - insertion
intertubercular sulcus of humerus
teres major - insertion
intertubercular sulcus of humerus
infraspinatus - action
lateral rotation of humerus
teres minor - action
lateral rotation of humerus
subscapularis - insertion
lesser tubercle of humerus
subscapularis - action
medial rotation of humerus
triceps brachii - insertion
olecrannon process
biceps brachii - insertion
radial tuberosity
triceps brachii - action
shoulder and elbow extension
trapezius - insertion
spine and acromion of scapula clavicle
latissimus dorsi - origin
spinous process (T6-T12) ribs (8-12) sacrum & ilium
subscapularis - origin
subscapular fossa of scapula
supraspinatus - origin
supraspinous fossa of scapula
