upper body final exam review Flashcards
pectoralis major
O: clavicle, sternum, ribs 1-6
I: intertubercular groove of humerus
A: flexion, abduction, horizontal abduction, medial rotation
N: medial and lateral pectoral
pectoralis minor
O: ribs 3-5
I: coracoid process of scapula
A: depresses scapula, elevates ribs
N: medial pectoral
serratus anterior
O: ribs 1-8
I: medial border of scapula
A: protracts scapula
N: long thoracic
external intercostals
O: inferior border of ribs
I: superior border of ribs
A: elevates ribs
N: intercostal
internal intercostals
O: superior border of ribs
I: inferior border of ribs
A: depresses ribs
N: intercostal
deltoid
O: acromial end of clavicle, acromion process and spine of scapula
I: deltoid tuberosity of humerus
A: flexes, extends, medial and lateral rotation, and abduction of shoulder
N: axillary
trapezius
O: occipital bone, cervical and thoracic vertebrae
I: acromial end of clavicle, acromion process and spine of scapula
A: elevates, depresses, and retracts scapula
N: accessory
latissimus dorsi
O: iliac crest of ilium, thoracic and lumbar vertebrae
I: intertubercular groove of humerus
A: extends, medial rotation, and adduction of shoulder
N: thoracodorsal
supraspinatous
O: supraspinous fossa of scapula
I: greater tubercle of the humerus
A: abducts shoulder
N: suprascapular
infraspinatous
O: infraspinous fossa of scapula
I: greater tubercle of humerus
A: laterally rotates shoulder
N: suprascapular
teres minor
O: lateral border of scapula
I: greater tubercle of humerus
A: laterally rotates shoulder
N: axillary
subscapularis
O: subscapular fossa of scapula
I: lesser tubercle of humerus
A: medially rotates shoulder
N: upper and lower subscapular
teres major
O: inferior angle of scapula
I: intertubercular groove of humerus
A: medially rotates shoulder
N: lower subscapular
rhomboids (minor and major)
O: cervical and thoracic vertebrae
I: medial border of scapula
A: elevates and retracts scapula
N: dorsal scapular
levator scapulae
O: cervical thoracic vertebrae
I: medial border of scapula
A: elevates and retracts scapula
N: dorsal scapular
biceps brachii
O: coracoid process of scapula (short); supraglenoid tubercle of scapula (long)
I: radial tuberosity of the radius
A: flexes shoulder and elbow, and supinates forearm
N: musculocutaneous
brachialis
O: anterior shaft of humerus
I: coronoid process of ulna
A: flexes elbow
N: musculocutaneous
coracobrachialis
O: coracoid process of scapula
I: anterior shaft of humerus
A: flexes shoulder
N: musculocutaneous
triceps brachii
O: infraglenoid tubercle of the scapula (long); posterior shaft of the humerus (medial and lateral)
I: olecranon process of ulna
A: extends shoulder and elbow
N: radial
