18 JUNE 2019

Question 1

what shape are muscle spindles?

Answer 1

fusiform

Question 2

what does fusiform mean ?

Answer 2

spindle shaped soooo bulgy in the middle and tappered at the end

Question 3

name for inside the spindle

Answer 3

intrafusal

Question 4

name for outside the spindle

Answer 4

extrafusal

Question 5

primary (sensory) endings

tell me 3 things

Answer 5

1. AP on 1a neurons
   tells us
2. length
3. rate of change

Question 6

the nuclear bag tell you

Answer 6

the length and the rate of change

Question 7

which on is bigger nuclear bag or chain?

Answer 7

the nuclear bag

Question 8

what does the nuclear chain tell you?

Answer 8

the rate of the change

Question 9

secondary sensory endings are what?

Answer 9

smaller and thinner

Question 10

what does the contraction of a muscle take place?

Answer 10

on the outside so its extrafusal

Question 11

a - alpha neurons do what?

Answer 11

contract extrafusal muscles

shorten overall muscles

Question 12

if the muscle is lengthen what happens to APs

Answer 12

increases

Question 13

if the muscle is shorten what happens to APs

Answer 13

decreases

Question 14

when your at rest what happens to APs

Answer 14

they are still constantly sending messages to the brain

Question 15

def of APs at rest

Answer 15

baseline APs

Question 16

what do a-gamma neurons do?

Answer 16

contrast intrafusal muscles

keep spindle sensitive to stretch through out movement

Question 17

a alpha is where?

Answer 17

on the outside

Question 18

a gammas are where?

Answer 18

on the inside

Question 19

a alpha is in control of

Answer 19

active voluntary muscle contraction

Question 20

golgi tendon organs are what

Answer 20

there to sense ‘tension” in a muscle tendon
- active contraction and passive stretch
transmit on Ib sensory neurons

Question 21

what neurons is in charge of the golgi tendon organ?

Answer 21

Ib

Question 22

Ib is incharge of what?

Answer 22

golgi tendon organs = tension in the tendon
and
ligament receptors = tension on a ligament

Question 23

a delta and c neurons are in charge of what?

Answer 23

free nerve endings

so pain and inflammation

Question 24

difference between a delta and c

Answer 24

a delta = fast pain

c = slow pain

Question 25

a detla =

Answer 25

fast pain

pain / inflammation receptor in free nerve endings

Question 26

c neuron =

Answer 26

slow pain

pain/inflammation receptor of free nerve endings

Question 27

specialized capusle receptors have what neuron?

Answer 27

II

Question 28

II neuron is in charge of what?

Answer 28

specialized capsule receptors

Question 29

specialized capsule receptors tell you what?

Answer 29

position and movement

Question 30

specialized capsule receptors have what two special thigns?

Answer 30

paciniform corpuscles

ruffini endings

Question 31

touch and vibration is felt by what?

Answer 31

a -beta

Question 32

free nerve endings no specialized are felt by what?

Answer 32

a -delta / c

Question 33

pain and temperature are felt by

Answer 33

a -delta/c

Question 34

tendon tension is felt by

Answer 34

Ib neuron

Question 35

length and rate of change in the muscle is felt by

Answer 35

Ia neuron

Question 36

joint capsule position is felt by

Answer 36

a -delta and c

Question 37

ligament stress is felt by

Answer 37

a-delta and c

Question 38

free nerve endings for pain and inflammation are felt by

Answer 38

a delta and c

Question 39

large diameters of myelinated things are felt by what and are in charge of what?

Answer 39

muscles tendons and joints

Ia
Ib

Question 40

medium diameters (myelinated) are felt by what and are in charge of what?

Answer 40

muscle spindles - II

specialized cutaneous receptors - a beta

Question 41

small diameters are felt by what and are in charge of what?

Answer 41

myelinated free nerve endings = a delta

unmyelinated free never endings = c