Ch11 Flashcards
trapezius
Stabilizies, elevates, retracts, and roates scapula. Accessory Nerve, C3 C4.
latissimus dorsi
Prime mover of arm extension; adduction and medial rotation of arm. Thoracodorsal nerve C6-C8.
levator scapulae
Elavates and adducts scapula. Cervical spinal nerves and dorsal scapular nerve C3-C5.
rhomboid major and minor
Stabilize scapula. Dorsal scapular nerve C4-C5.
pectoralis major
Prime mover of arm flexion; rottates amr medially; adducts arm. Lateral and medial pectoral nerves C5-C8 and T1.
pectoralis minor
With ribs, protracts and roates scapula downward. Medial and lateral pectoral nervers C6-C8.
serratus anterior
Rotates scapula upward. Long thoracic nerve C5-C7.
deltoid
Prime mover of arm abduction when all its fivers contract simultaneously. Axillary nerve C5-C6
teres major
Extends, medially roates, and adducts the arm. Lower subscapular nerve C5-C7.
supraspinatus
Medically rotates arm. Supracapular nerve C3-C6.
infaspinatus
Laterally rotates arm. Suprascaoular nerve C3-C6.
teres minor
Laterally rotates arm. Axillary Nerve C5 and C6.
coracobrachialis
Flexsion and adduction of arm. Musculocutaneous nerve C5-C7.
biceps brachii
Flexes and supinates forearm. Musculocutaneous nerve C6-C8.
brachialis
Flexes forearm. Muscilocitaneous nerve.
triceps brachii
Powerful forearm extensor. Radia Nerve C6-C8.
adductor pollicis
Adducts and helps to oppose thumb. Ulnar Nerve C8 and T1.
psoas major
Prime mover in thigh flexion and in flexing trunk, also causes lateral flexsion of vertebral column. Ventral rami L1-L3.
iliacus
Prime mover in though flexion and in flexing trunk. Femoral nerve L2 and L3.
sartorius
Flexes, abducts, and laterally rotates though; flexes leg. Femoral nerve L2 and L3.