Exercise 14&15

Question 1

The inhibition of interneurons and antagonist muscles is called

Answer 1

reciprocal inhibition

Question 1

Biggest difference between somatic and autonomic nervous systems?

Answer 1

Somatic doesn’t utilize preganglonic neurons + ganglia in their reflex arcs unlike autonomic.

Question 2

What is the technique used to help enhance sluggish stretch reflexes?

Answer 2

Jendrassik Maneuver

Question 3

Somatic Reflex Testing (5 ways)

Answer 3

Achilles (patella), biceps(Biceps brachii), triceps(triceps brachii), crossed-extensor reflex(flex in one muscle causes extension in the other), and patellar (patella)

Question 4

Autonomic relfexes (2 ways)

Answer 4

pupillary(eyes; dilation of pupils) and ciliospinal/pupillodilator (reaction of left and right pupil)

Question 5

Hip replacements can be done with

Answer 5

Teflon

Question 6

Gluteus medius

Answer 6

abducts and medially rotates thigh/femur; assists in free leg swing when walking

Question 7

Tensor fasciae latae

Answer 7

steadies pelvis on femur head. hip abduction and medial rotation of thigh

Question 8

adductor longus

Answer 8

adduct and medially rotate thigh

Question 9

Gracillis

Answer 9

adducts and medial rotates hip and flexion at knee

Question 10

Sartotrius

Answer 10

flexes, abducts, and laterally rotates thigh

Question 11

rectus femoris

Answer 11

used in running, climbingm and jumping.

Question 12

vastus

Answer 12

(know where to identify them on a model- same function as rectus femoris)

Question 13

gastrocnemius

Answer 13

weakly flexes knee when foot is dorsiflexed

Question 14

soleus

Answer 14

deep to gastro, plantar flexes foot

Question 15

Semitendinosus