BIO 110 Exam 3

what muscle is the primary muscle of respiration

diaphragm

what group of muscles anchor the tongue and form the floor of the oral cavity

suprahyoid muscles

which of the following is a muscle of mastication

temporalis

which of the following muscles is not a part of the rotators cuff

teres major

which of the following is not involved in flexing the leg

tibialis anterior

which muscles extend the elbow during push ups

triceps brachii

true or false? the pectoralis major extends the arm while the latissimus dorsi flexes it

true

true or false? the temporomandibular joint is the only mobile joint between skull bones

true

Eversion involves

turning the sole of the foot laterally

Which muscle forms the traditional "six-pack" of a well-toned abdominal wall?

rectus abdominis

which muscle is not associated in some way with the scapula

sternocleidomastoid

which muscle is a weak wrist flexor that not all individuals have

palmaris longus

the pronator teres and pronator quadratus causes pronation of the forearm . what muscle opposes this movement

supinator

in a sarcomere, which letter is associated with the light band that contains thin filaments only

I

lateral movement of a body part away from the midline is

abduction

which of the following terms is descriptive word for a muscles action

adductor

muscles that cross the glenohumeral joint move the

arm

which of the following flexes the elbow

brachioradialis

what muscle is the prime mover of back extension and helps maintain posture

erector spinae

true or false? antagonists have the same movement of the prime mover

false

true or false? anterior muscles of the hip joint extend the thigh

false

muscles located in the anterior compartment of the forearm _____ the wrist

flex

the metacarpophalangeal joints of the digits are 2-5 are condylar joints. this means they can perform which movements?

flexion, circumduction, abduction, extension

which of the following muscles is not involved in dorsiflexion of the foot

gastrocnemius

what muscle are gluteal intramuscular injections given into

gluteus medius

what muscle is known as the "swimmer's" muscle

latissimus dorsi

which of the following is a frowning muscle

mentalis

which muscles arise from the skull and often attach to the skin

muscles of facial expression

the special movement of the thumb that allows it to grasp an object and hold onto it is called

opposition