Appendicular Muscle Origins and Insertions Flashcards
pectoralis minor
O: ribs 3-5
I: coracoid process (scapula)
serratus anterior
O: ribs 1-8
I: medial border of scapula; anterior surface
subclavius
O: rib 1
I: inferior surface of clavicle
levator scapulae
O: transverse processes C1-C4
I: medial border of scapula
rhomboid major
O: spinous processes T2-T5
I: medial border of scapula - from spine to inferior angle
rhomboid minor
O: spinous processe C7-T1
I: medial border of scapula; superior to spine
superior trapezius
O: occipital bone; ligamentum nuchae; spinous processes of C7-T12
I: clavicle; acromion; spine of scapula
middle trapezius
O: occipital bone; ligamentum nuchae; spinous processes of C7-T12
I: clavicle; acromion; spine of scapula
inferior trapezius
O: occipital bone; ligamentum nuchae; spinous processes of C7-T12
I: clavicle; acromion; spine of scapula
latissimus dorsi
O: spinous processes T7-T12; ribs 8-12; illiac crest; thoracolumnar fascia
I: intertubercular groove of humerus
pectoralis major
O: medial clavicle; costal cartilages of ribs 2-6; body of sternum
I: intertubercular groove of humerus
deltoid
O: acromial end of clavicle; acomion and spine
I: deltoid tuberosity of humerus
coracobrachialis
O: coracoid process
I: middle medial shaft of humerus
teres major
O: inferior lateral border/angle
I: lesser tubercle and intertubercular groove of humerus
triceps brachii (long head)
O: infraglenoid tubercle of scapula
I: olecranon process of ulna
biceps brachii (long head)
O: supraglenoid tubercle of scapula
I: radial tuberosity
subscapularis
O: subscapular fossa
I: lesser tubercle of humerus
supraspinatus
O: supraspinous fossa
I: greater tubercle of humerus
infraspinatus
O: infraspinous fossa
I: greater tubercle of humerus
teres minor
O: upper posterior lateral border (superior to teres major)
I: greater tubercle of humerus
biceps brachii (short head)
O: coracoid process of scapula
I: radial tuberosity