Upper Ex OINA Flashcards
Pectoralis Major ORIGIN
Clavicle, sternum, upper 6 costal cartilages
Pectoralis major INSERTION
Lateral lip of bicipital groove of humerus
Pectoralis major NERVE and Action
N: Medial and lateral pectoral nerves from brachial plexus
A: adducts arm and rotates it medially
Pectoralis minor O:
3rd, 4th, 5th ribs
Pectoralis minor I:
Coracoid process of scapula
Pectoralis minor N&A:
N: medial pectoral nerve from brachial plexus
A: depresses shoulder joint
Subclavius O:
First costal cartilage
Subclavius I:
Clavicle
Subclavius N:
Nerve to subclavius from upper trunk of brachial plexus
Serratus anterior O:
Upper eight ribs
Serratus anterior I:
Medial border and inferior angle of the scapula
Serratus anterior N&A:
N: Long thoracic nerve
A: rotates scapula
Trapezius O:
Occipital bone, ligamentum nuchae, spine of the C7, spines of all thoracic vertebra
Trapezius I:
Upper fibers of lateral third of clavicle, middle and lower fibers into acromion and spine of scapula
Trapezius N:
Spinal part of accessory nerve, C3, C4
Latissimus dorsi O:
L-umbar fascia
I-liac crest
T-hree/4 ribs lower
S-pines of lower 6 vertebra
I-nferior angle of scapula
Latissimus dorsi I:
Floor of bicipital groove of humerus
Latissimus dorsi N:
Thoracodorsal nerve
Levator scapulae O:
Transverse process of C1-C4
Levator scapulae I:
Medial border of scapula
Levator scapulae N:
C3, C4 and dorsal scapular nerve
Rhomboid minor O:
Ligamentum nuchae, spines of C7-T1
Rhomboid minor I:
Medial border of scapula
Rhomboid minor N:
dorsal scapular nerve
Rhomboid major O:
T2-T5
Rhomboid major I:
Medial border of scapula
Rhomboid major N:
Dorsal scapular nerve
Deltoid O:
Lateral third of clavicle, acromion, spine of scapula
Deltoid I:
Deltoid tuberosity of humerus
Deltoid N & A:
N: Axillary nerve
A: Abducts arm
Supraspinatus O:
Supraspinous fossa of scapula
Supraspinatus I:
Greater tubercle
Supraspinatus N:
Suprascapular nerve
Infraspinatus O:
Infraspinous fossa of scapula
Infraspinatus I:
Greater tuberosity of humerus; capsule of shoulder joint
Infraspinatus N:
Suprascapular nerve
Teres minor O:
Upper two thirds of lateral border of scapula
Teres minor I:
Greater tubercle
Teres minor N:
Axillary nerve
Teres major O:
Lower third of lateral border of scapula
Teres major I:
Medial lip of bicipital groove of humerus
Teres major N:
Lower subscapular nerve
Teres major A:
Medially rotates and adducts arm
Subscapularis O:
Subscapular fossa
Subscapularis I:
Lesser tuberosity of humerus
Subscapularis N:
Upper and lower subscapular nerves
Flexor carpi ulnaris
(humeral head, anterior) O:
Medial epicondyle of humerus
Flexor carpi ulnaris
(humeral head, anterior) (ulnar head, posterior) INSERTION:
[Ph5]
Pisiform bone, hook of hamate, base at 5th metacarpal bone
Flexor carpi ulnaris
(humeral head, anterior) (ulnar head, posterior) N & A:
N: Ulnar nerve
A: Flexes and adducts hand at wrist joint
Flexor carpi ulnaris
(Ulnar head, posterior) ORIGIN:
Medial aspect of olecranon process and posterior border of ulna