chapter 6

Question 1

Condition occurring when a joint muscle cannot shorten enough to cause full range of motion at both joints it crosses at the same time

Answer 1

active insufficiency

Question 2

Role played by a muscle acting to cause a movement

Answer 2

Agonist

Question 3

Role played by a muscle acting to slow or stop a movement

Answer 3

antagonist

Question 4

Describing a contraction involving shortening of a muscle

Answer 4

concentric

Question 5

muscle property enabling tension development by stimulated muscle fibers

Answer 5

contractile component

Question 6

Describing a contraction involving lengthening of a muscle

Answer 6

eccentric

Question 7

Time between the arrival of a neural stimulus and tension development by the muscle

Answer 7

electromechanical delay

Question 8

A fiber that reaches peak tension relatively quickly

Answer 8

fast-twitch fiber

Question 9

Describing a contraction involving no change in muscle length

Answer 9

isometric

Question 10

a single motor neuron and all fibers it innervates

Answer 10

motor unit

Question 11

electric current or voltage produced by a muscle developing tension

Answer 11

myoelectric activity

Question 12

role played by a muscle acting to eliminate an unwanted action produced by an agonist

Answer 12

neutralizer

Question 13

passive elastic property of muscle derived from the muscle membranes

Answer 13

parallel elastic component

Question 14

pattern of fibers within a muscle in which the fibers are roughly parallel to the longitudinal axis of the muscle

Answer 14

parallel fiber arrangement

Question 15

inability of a two-joint muscle to stretch enough to allow full range of motion at both joints at the same time

Answer 15

passive insufficiency

Question 16

pattern of fibers within a muscle with short fibers attaching to one or more tendons

Answer 16

pennate fiber arrangement

Question 17

passive elastic property of muscle derived from the tendons

Answer 17

series elastic component

Question 18

a fiber that reaches peak tension relatively slowly

Answer 18

slow-twitch fiber

Question 19

role played by a muscle acting to stabilized a body part against some other force

Answer 19

stabilizer

Question 20

eccentric contraction followed immediately by concentric contraction

Answer 20

stretch shortening cycle

Question 21

building in an additive fashion

Answer 21

summation

Question 22

state of muscle producing sustained maximal tension resulting from repetitive simulation

Answer 22

tentanus

Question 23

devices that detect signals

Answer 23

transducers