apn test 6

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flexion

Decreases the angle of a joint

Longest muscle in the body

Sartorius

intramuscular injection

an injection into deep muscle tissue, usually of the buttock, thigh, or upper arm

flexors location in forearm

anterior forearm

location of muscles in the thigh

anterior of the thigh

synergist muscles

assist prime movers during movement

Dorisflexion

bends the foot upward at the ankle

supination (forearm/hand) muscle

brachialis, biceps brachii, brachioradialis and triceps

type of muscle that functions as a sphincter

circular/obicular

muscle that raises arm

deltoid

common site for injections

deltoid, gluteus medius

major movement during breathing done by what muscle

diaphragm

pennate muscles

feather shaped

what muscles flex the wrist

flexor carpi radialis, flexor carpi ulnaris, palmaris longus

adductor longus is named after

function and size

The largest buttocks muscle is the

gluteus maximus

biceps femoris group

hamstring

function of infraspinatus

lateral rotation of arm

Pronation

movement that turns the palm down

Supination

movement that turns the palm up

Retraction

moving a body part backward and parallel to the ground

protraction

moving a body part forward and parallel to the ground

insertion of a muscle

muscle end attached to the bone that moves when the muscle contracts

prime mover

muscle with the major responsibility for a certain movement

muscle that closes lips

orbicularis oris

muscle that wraps around the orbits

orbicuolis oculi

Brachioradialis named for

origin and insertion

skeletal muscles extend from where to where

origin to insertion

The muscle shape that has the capacity to shorten to the greatest degree is

parallel

chest muscles that insert the humerus

pectoralis major

what muscles attach arm to the thorax

pectoralis major and latissimus dorsi

plantar flexion

pointing toes

muscles of the quad

rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

muscle used to cross your legs

sartorious

back muscle that inserts on ribs and vertebrae

serratus posterior superior and inferior

Contracted abdominal muscles along with fixed vertebral column aids in what?

stability of the lumbar region

Main job of rotator cuff muscles

stabilize the humeral head within the glenoid fossa

What muscles are usually damaged in the rotator cuff?

supraspinatus tendon

Muscles of the rotator cuff

supraspinatus, infraspinatus, teres minor, subscapularis

A muscle that dorsiflexes the foot is the

tibialis anterior

muscle of anterior leg

tibialis anterior

muscles that move the scapula

trapezius, rhomboids, levator scapulae, pectoralis minor, serratus anterior

inversion

turning inward

Eversion

turning the sole of the foot outward

antagonist muscle

Allows movement in opposite direction from muscle

what represents the fulcrum point in the body's lever system

Atlanto-Occipital Joint

The bulge of the calf is caused by the ________ muscle.

Gastrocenimius

Antagonist of Rectus Femoris

Hamstrings

back muscle that originates on the vertebral spinous process

Latissimus Dorsi

Abduction

Movement away from the midline of the body

Adduction

Movement toward the midline of the body


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