5 Written Questions

1. postural muscles for the most part; reverses and/or opposes the action of a prime mover.
2. hip flexor, deep in pelvis; a composite of two muscles
3. muscle responsible for a particular body movement; agonist
4. muscle group of the lateral leg; plantar flex and evert the foot.
5. muscle group that allows you to draw your legs to the midline of your body, as when standing at attention

5 Multiple Choice Questions

1. muscle group that extends the thigh and flexes the knee
   1. Gluteus medius
   2. biceps femoris
   3. tibialis anterior
   4. semimembranosus, semitendinosus
2. stabilizes a joint so that the prime mover can act at more distal joints; immobilizes the origin of a prime mover
   1. adductors
   2. prime mover
   3. sartorius
   4. fixator
3. inverts and dorsiflexes the foot
   1. sartorius
   2. biceps femoris
   3. fixator
   4. tibialis anterior
4. muscle group that extends the knee
   1. tibialis anterior
   2. semimembranosus, semitendinosus
   3. vastus intermedius, vastus lateralis, vastus medialis
   4. Gluteus medius
5. muscles that assist the action of the agonist; performs the same movements as the prime mover
   1. sartorius
   2. antagonist
   3. fixator
   4. synergist

4 True/False Questions

1. Gluteus Maximus → used to extend the hip while climbing stairs

   True        False

2. Gluteus medius → smaller hip muscle commonly used as an injection site.

   True        False

3. gastrocnemius → "toe dancer's" muscle; a two-bellied muscle of the calf

   True        False

4. sartorius → strap-like muscle that is weak thigh flexor; the "tailor's muscle

   True        False