Ch 11

Question 1

Endomysium

Answer 1

connective tissue outside every muscle fiber. Each individual muscle fiber is wrapped in this.

Question 2

Muscle fascicles

Answer 2

bundle of muscle fibers

Question 3

Perimysium

Answer 3

what the muscle fascicles are wrapped in

Question 4

fasca

Answer 4

wraps around a whole muscle groups.

Question 5

fasciotomy

Answer 5

incision in the fascia to relieve pressure

Question 6

Compartment Syndrome

Answer 6

pressure inside a compartment due to overuse or contusion

Question 7

Fusiform

Answer 7

belly of the muscle w tapers at each end. I.g. biceps brachii

Question 8

parallel

Answer 8

all running straight down w tendon sections. ig rectus abdominis

Question 9

Triangular

Answer 9

tapers off at one end. ig pectoralis major

Question 10

unipennate

Answer 10

leaf cut in half, tendon through the middle. bipennate is a whole leaf. multipennate has mulstiple stems. ig deltoid.

Question 11

how to tell between origin and insertion

Answer 11

origin is usually more proximal. insertion moves closer to origin

Question 12

indirect attachment

Answer 12

tendon attaches muscle to bond. connects into periosteum and matrix. distance between muscle belly and bone

Question 13

aponeurosis

Answer 13

muscle attachment, broad sheet of tendon

Question 14

direct attachment

Answer 14

muscle rests right over bone. hard to tell there’s a tendon

Question 15

What does the prime mover functional group do

Answer 15

it’s the agonist. produces main force for the action

Question 16

Synergist

Answer 16

helps the prime mover. may stabilize joint

Question 17

antagonist

Answer 17

opposes prime mover

Question 18

Fixator

Answer 18

prevents bone movement

Question 19

what is intrinsic muscle vs. extrinsic

Answer 19

both the origin and insertion contained within a particular region. acts upon a designated region but it’s origin is elsewhere