Muscle Building

Muscle Building

Author: Aaron Mullally

This lesson will describe the effects that exercise has on your muscles.

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Terms to Know
  • Aerobic Exercise

    A type of physical activity that gradually conditions slow muscles to work for longer periods of time.

  • Creatine

    A substance found naturally in muscles or used as a supplement to replenish ATP during muscle workouts allowing muscles to sustain activity for longer periods of time.

  • Myoglobin

    A pigment that binds oxygen for the use of ATP production.

  • Strength Training

    A type of physical activity that increases the size of the muscles and has an affect mainly on fast muscle fibers.