Muscle Use and Fatigue Flashcard

Front

What is the average daily calorie need for regular exercising men?

Back

2,400-3,000 calories.

Front

Which type of muscle fiber is best suited for sprinting races?

Back

Fast Twitch muscle fibers.

Front

What is the average daily calorie need for sedentary men?

Back

2,000-2,600 calories.

Front

Which muscle fiber type is best suited for endurance sports?

Back

Slow Twitch muscle fibers.

Front

What is the firing speed of slow twitch muscle fibers?

Back

Delayed.

Front

Define Slow Twitch Muscle Fibers.

Back

Muscle fibers that are more efficient at using oxygen to generate more fuel for continuous, extended muscle contractions over a long time.

Front

Define Fast Twitch Muscle Fibers.

Back

Muscle fibers that are better at generating short bursts of strength or speed than slow twitch fibers.

Front

What is muscle fatigue?

Back

A temporary decrease in the ability of a muscle to generate force.

Front

What factors contribute to muscle fatigue?

Back

Depletion of energy sources, accumulation of lactic acid, and changes in ion concentrations.

Front

What is the role of ATP in muscle contraction?

Back

ATP provides the energy required for muscle contraction.