apn test 6
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