Physical Conditioning test

Right atrium

The chamber of the heart that receives deoxygenated blood from the body through the superior and inferior vena cavae.

Right ventricle

The chamber of the heart that pumps deoxygenated blood to the lungs.

77.5

Life expectancy in the United States

Wellness

An expanded idea of health that includes the ability to live fully with vitality.

Tibia

One of the two bones in the lower leg, located inferior to the knee.

Fibula

The smaller of the two bones in the lower leg, located alongside the tibia.

Radius

One of the two bones of the lower arm, located on the lateral side of the forearm.

Ulna

The bone in the lower arm located on the medial side, opposite the radius.

Quadriceps

The muscle group located on the anterior of the femur.

Triceps

The muscle group located on the posterior of the humerus.

Lumbar region

The section of the spine that consists of five vertebrae.

Progressive overload

The training principle that suggests that as the amount of stress increases, fitness will also increase.

Mode of activity

The type or category of physical activity being performed.

Reversibility

The principle that fitness improvements can be lost after stopping exercise, but not all improvements are lost within two months.

Cardiac output

The total volume of blood that can be pumped by the heart in one minute.

Stroke volume

The amount of blood pumped by the heart with each beat.

VO2 max

A measure of the maximum amount of oxygen the body can utilize during intense exercise.

Aerobic exercise

Physical exercise that relies on the cardiovascular system to supply oxygen to the muscles.

Factors influencing VO2 max

Age, gender, specificity, and level of conditioning are all factors that affect VO2 max.

Plasma volume

The liquid component of blood that carries cells, proteins, and nutrients.

Low intensity steady state

A type of exercise performed at a low intensity over an extended period.