Personal Fitness Chapter 8 Vocab

Front 1

atrophy

Back 1

the wasting away or decrease in size of a body part, particually a muscle

Front 2

slow twitch

Back 2

red muscle fibers that are slow to contractbut have the ability to continue contracting for long periods of time

Front 3

intermediate twitch

Back 3

muscle fibers that possess a combonation of the fast and slow twitch fiber characteristics

Front 4

fast twitch

Back 4

white muscles fibers that contract quickly allowing explosive muscular contractions

Front 5

isometric

Back 5

exercises in which one contracts muscles but does not move body parts

Front 6

isokinetic

Back 6

exercises done with special machines that allow for maximum resistance over the complete range of motion

Front 7

isotonic

Back 7

exercises in which the muscles lengthens and shortens through it's full range of movement while lowering and rising a resistance

Front 8

repitition

Back 8

the completion of a single, full range movement of the body being exercised

Front 9

resistance

Back 9

the intensity of a weight traning program

Front 10

set

Back 10

a group of repetitions performed one after the other