Muscles Quiz

if you wanted to demonstrate a first class level system, what toy would you use as a basis for your demonstration and which body motion would you use as an example?

a see-saw, a chin raise

the motion of standing on tiptoe uses a ____ level system

second-class

all of the following are rotator cuff muscles EXCEPT:

teres major

which of the following muscles is involved in maintaining upright posture?

psoas major

which of the following accurately describes the four plantar layers?

Plantar layer 1 muscle flex and abduct the toes, plantar layer 2 muscles flex the toes, plantar layer 3 muscles flex and adduct the toes and plantar layer 4 muscles abduct and adduct the toes

Which of the following accurately describes the location of the muscle's insertion point and the origin point?

The muscle insertion point is on movable bone, whereas the origin point is on the fixed bone.

which accurately compares the diaphragm and the internal intercostals?

the diaphragm is the prime mover of inspiration, whereas the internal intercostals assist in forced expiration

all of the following elevate the mandible during mastication except

the pterygoid muscles

the function of abdominal muscles includes all of the following except

they extend the vertebral column

in elbow extension, the ____ is the agonist and the ___ is the antagonist

triceps, biceps