Upper Body Origin/insertion Flashcards
Trapezius (shoulder girdle)
O: occipital protuberance, ligaments nuchae, spinous process of C7-T12
I: spine of the scapula, acromion, lateral 1/3 of clavicle
levator scapulae (shoulder girdle)
O: transverse process of C1-4
I: superior angle proximal medial scapula
Rhomboid minor and major (shoulder girdle)
O: spinous process of C7, T1-5
I: vertebral border of the scapula
Pectoralis minor (shoulder girdle)
O: anterior ribs 3-5
I: Coracoid process of the scapula
Serratus anterior (shoulder girdle)
O: anterior lateral ribs 1-8
I: medial border of anterior surface of the scapula
Deltoid (glenohumeral joint)
O: lateral 1/3 of clavicle, acromion, spine of scapula
I: deltoid tuberosity
Pectoralis major (glenohumeral joint)
O: Medial 2/3 of clavicle, sternum, costal cartilage of ribs 1-6
I: lateral lip of the intertubercular (bicep ital) groove
Latissimus dorsi (glenohumeral joint)
O: spinous process of T6-T12, lumbar and sacral spinous processes, posterior iliac crest, thoracolumbar fascia
I: medial lip and floor of bicepital groove
Teres major (glenohumeral joint)
O: inferior angle of scapula
I: medial lip of intertubercular (bicepital) groove
Subclavius (glenohumeral joint)
O: 1st rib
I: undersurface of the clavicle
Supraspinatus (glenohumeral joint)
O: supraspinatus fossa
I: greater tubercle of humerus
Infraspinatus (glenohumeral joint)
O: infraspinatus fossa
I: greater tubercle of the humerus (below supraspinatus)
Teres minor (glenohumeral joint)
O: upper 2/3 of axillary border of the scapula
I: greater tubercle of the humerus (below infraspinatus)
Subscapularis (glenohumeral joint)
O: subscapular fossa
I: lesser tubercle of the humerus
Biceps brachii (upper arm)
SHORT
O: tip of the coracoid process
LONG
O: supraglenoid tubercle
I: radial tuberosity