Vocabulary For Muscle System

Question 1

Insertion

Answer 1

Muscle attachment that moves during contraction

Question 2

Origin

Answer 2

Muscle attachment that remains immovable during contraction

Question 3

Types of muscle

Answer 3

Includes cardiac, skeletal and smooth muscle tissue

Question 4

Tendon

Answer 4

Connective tissue that attaches muscles to bones

Question 5

Striated muscle

Answer 5

Skeletal muscle tissue, multinucleated, voluntary muscle tissue

Question 6

Smooth muscle

Answer 6

Single nucleated, involuntary muscle tissue

Question 7

Cardiac muscle

Answer 7

Strong, striated, single nucleated involuntary muscle

Question 8

Contractibility

Answer 8

Muscle property - means to shorten

Question 9

Conductivity

Answer 9

Muscle property - the ability to conduct electrical/chemical impulses

Question 10

Excitability

Answer 10

Muscle property - ability to be stimulated or respond to stimuli

Question 11

Elasticity

Answer 11

Muscle property - return to its normal position

Question 12

Actin

Answer 12

Thin myofilament (twisted beaded necklace)

Question 13

Myosin

Answer 13

Thick myofilament (twisted gold clubs)

Question 14

Extensibility

Answer 14

Muscle property to stretch

Question 15

Myofilaments

Answer 15

Muscle property - to kinds actin and myosin

Question 16

Sarcomere

Answer 16

Main unit of contraction in a muscle fiber

Question 17

Fast twitch

Answer 17

Muscle fiber type that has high strength, but fatigues quickly

Question 18

Slow twitch

Answer 18

Muscle fiber type that has high endurance, but less strength or power

Question 19

Fast ping

Answer 19

Muscle fiber type that are both sting and have high endurance qualities

Question 20

Motor unit

Answer 20

A motor nerve plus all the muscle fibers it stimulates

Question 21

Muscle fiber

Answer 21

Muscle cell

Question 22

Concentric

Answer 22

Shortening contraction

Question 23

Eccentric

Answer 23

Lengthening contraction

Question 24

Isotonic

Answer 24

Muscle contracts and shortens at constant velocity

Question 25

Isokinetic

Answer 25

Muscle contracts and shortens at constant velocity

Question 26

Isometric

Answer 26

Tension in muscle increases but muscle does not shorten

Question 27

Atrophy

Answer 27

Decreases the size of the muscle cell

Question 28

Hypertrophy

Answer 28

Increases the size of the muscle cell

Question 29

Tetanus

Answer 29

Infectious disease cause by bacteria, whose toxin causes spasm of voluntary muscles and convulsions

Question 30

Muscle dystrophy

Answer 30

Muscle disorder in which muscle cell deteriorates

Question 31

Muscle spasm

Answer 31

Sustained muscle contraction - involuntary

Question 32

Shin splints

Answer 32

Injury to muscle attachment on the tibia

Question 33

Muscle strains

Answer 33

Tearing of muscle tissue

Question 34

Hernia

Answer 34

Protrusion of a loop of an organ (like intestine) through weak muscles

Question 35

Prime mover (agonist)

Answer 35

Muscle that provides movement in a single direction - main muscle responsible for movement

Question 36

Antagonist

Answer 36

A muscle whose action opposes the action of another muscle

Question 37

Tennis elbow

Answer 37

Inflammations of the tendon, which connects the arm muscles to the elbow

Question 38

Muscle tone

Answer 38

Muscle always in a state of partial contraction