Involuntary muscle that is found only in the heart.

Muscles that you control to do activities, such as walk or play a musical instrument.

Involuntary muscle that causes movements within your body.

A pulled muscle, is a painful injury that may happen when muscles are overworked or stretched too much or to quickly.

Contractions tense and firm the muscle, this slight tension is called?

Muscles that cannot contract due to injury, or are not used often, will weaken and shrink, a condition know as ________

Artificial forms of the male hormone testosterone.

Which of the following characteristics apply to Smooth Muscle?

Which of the following characteristics apply to Cardiac Muscle?

Which of the following characteristics apply to Skeletal Muscle?

What TWO causes lead to the condition known as atrophy?

What can you do to prevent muscle injuries?

Workouts should have a warm-up and cool-down period and can be dynamic of static

A muscle cramp is a strong, uncontrolled muscle contraction

All muscles do work by contracting, or becoming shorter and thicker

Many skeletal muscles work in pairs

One muscle in the pair contracts to move the bone in one direction o Then, the other muscle in the pair contracts to move the bone back