Fitness

Fitness

Related to the practice of regular exercise to maintain good physical condition and health.

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Fitness > Workouts

stroke volume

Fitness; Workouts

The amount of blood pumped per contraction (stroke) of the heart.

supination

Fitness; Workouts

Rolling motion of the feet onto the outer edges. Typical of high-arched, stiff feet. Also called "underpronation." Learn how to choose running shoes.

target heart rate

Fitness; Workouts

The ideal intensity level at which your heart is being exercised but not overworked. Determined by finding your maximum heart rate and taking a percentage (60% to 85%, depending ...

tendon

Fitness; Workouts

A flexible, non-elastic tissue that connects muscle to bone. The Achilles tendon is the large connector from the heel bone into the calf muscle.

tether

Fitness; Workouts

Attached to a belt and then to a ladder or some other fixed point at poolside, a tether helps you turn a too-small pool into a swimmer's treadmill. For example, you can have a ...

threshold

Fitness; Workouts

The heart rate at which lactic acid begins to build up faster than you can break it down. You should do the bulk of your training at just below that level.

trapezius

Fitness; Workouts

The triangular muscles stretching across your back from the spine to the shoulder blades and collarbone. They work with the deltoids to lift your arms and shoulders. Good to have ...