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Question 1

the sagittal plane rotates on the

Answer 1

transverse axis

Question 2

the horizontal plane rotates on the

Answer 2

longitudinal axis

Question 3

the frontal plane rotates on the

Answer 3

A-P axis

Question 4

What originates on the superior nuchal line?

Answer 4

occipitalis, splenius capitis, trapezius, SCM

Question 5

What originates on the inferior nuchal line?

Answer 5

oblique capitus superior, rectus capitus posterior major and minor

Question 6

Describe the rule of threes

Answer 6

T1-3 @ vertebral level
T4-6 @ 1/2 vertebral body
T7-9 @ 1 vertebral body lower
T10-12 walking back up

Question 7

Endomysium surrounds:

Answer 7

muscle cells

Question 8

perimysium surrounds:

Answer 8

muscle fascicles

Question 9

epimysium surrounds:

Answer 9

entire muscle

Question 10

sarcolemma

Answer 10

plasma membrane of muscle fiber

Question 11

sarcoplasma

Answer 11

cytoplasm of muscle fiber

Question 12

myofibrils

Answer 12

large fiborous bundles of contractile proteins myosin– thick actin– thin

Question 13

myoglobin

Answer 13

heme carrying protein –stores oxy

Question 14

sarcoplasmic reticulum

Answer 14

sER forms network around myofibrils CALCIUM RESERVIOR

Question 15

triad of muscle cell

Answer 15

T tuble and 2 terminal cisterns

Question 16

what are the 3 functions of myosin?

Answer 16

attachment site for actin
binding site for ATP
enzymatic region for ATPase

Question 17

What fiber groups act on muscle spindles?

Answer 17

Ia and II – stretch

Question 18

What fiber groups correspond to free nerve endings?

Answer 18

III/IV –clasp knife and flexion

Question 19

what fiber groups act on golgi tendon organs?

Answer 19

1b