To help aid you in understanding some of the fitness terms used on the site and in a range of book. We have put together a Glossary of Fitness Terms to help you in understanding. Hope it helps.

A B C D E F G H I
J K L M N O P Q R
S T U V W X Y Z

A to Z Glossary of Fitness Terms

A


Activities of Daily Living (ADLs)

Aerobic exercise

Agonist’s muscle

Amenorrhea

Anaerobic exercise

Angina pectoris

Antagonist’s muscle

B


Beta-blockers

Bioelectrical impedance

Body composition

Body Mass Index (BMI)

C

Caffeine

Calisthenics

Cardiorespiratory fitness

Cardiovascular system

Circuit training

Concentric muscle action

Continuous training

Cool down

Core

Cortisol

Cross-training

[Divider]

D


Detraining Principle

Diastolic blood pressure

DOMS (Delayed Onset Muscle Soreness)

E


Eccentric contraction

Ectomorph

Electrolytes

Endomorph

Endorphins

EPOC (Excess Post-Exercise Oxygen Consumption)

Epinephrine

Ergogenic aids

Eustress

Exercise metabolic rate (EMR)

F


Fast twitch muscle fibers

Fixed resistance

Flexibility

G


Graded Exercise Test (Incremental Exercise Test)

H


Heart Rate Reserve (HRR)

Heat Cramps

Heat exhaustion

Heat stroke

High-density lipoprotein (HDL)

High impact

Hydrostatic (underwater) weighing

Hyperplasia

Hypertrophy

Hypothermia

I


Incremental Exercise Test (Graded Exercise Test)

Interval training

Isokinetic exercise

Isometric exercise

Isotonic exercise

K


Karvonen formula

Ketosis

L


Lactic acid

Lactic threshold

Lean mass

Low-density lipoprotein (LDL)

Low impact

M


Max VO 2

Mesomorph

MET

Moderate intensity

Muscle fibers

Muscular endurance

Muscular strength

O


Obesity

One-Rep Max (1 RM)

Opposing muscles

Osteoporosis

Overload Principle

Overuse Injuries

P


Percent grade

Physical fitness

Pilates

Plateau

PNF stretching

Primary prevention

Pronation

R


Rate of perceived exertion (RPE)

Repetition

Resistance training

Resting HR

Resting Metabolic Rate (RMR)

S


Set

Shin splint

Sit and reach test

Skinfold caliper test

Skinfold measurements

Slow twitch muscle fibers

Specificity of Training Principle

Static stretching

Strength training (resistance training)

Systolic blood pressure

T


Tai chi

Talk test

Tapering

Target heart rate (THR)

Tension Principle

Testosterone

Thyroid

Type I muscle fibers

Type IIA muscle fibers

Type IIB muscle fibers

U


V

Variable resistance

Vigorous intensity

W


Waist to hip ratio

Warm up

Y

Yoga