Muscles

The buildup of lactic acid in the muscle due to vigorous exercise is also known as

• Hypertrophy

• Atrophy

• Sliding Filament Theory

• Muscle Fatigue

True/ False? Most people are born with 50 % Fast Twitch fibers and 50 % Slow Twitch

• True

• False

Moving a body part toward the midline is also known as ?

• Lateral

• Abduction

• Adduction

• Flexion

Decreasing the angle between two bones is also known as?

• Extension

• Flexion

• Abduction

• Adduction

Increasing the angle between two bones is also known as ?

• Extension

• Flexion

• Abduction

• Adduction

Moving a body part away from the midline is also known as?

• Medial

• Lateral

• Abduction

• Adduction

Shortening of the muscle is known as which type of contraction?

• Concentric

• Eccentric

• Extension

• Abduction

Muscular contraction against resistance in which the length of the muscle remains the same.

• Isometric

• Isotonic

• Abduction

• Adduction

True/False? Slow twitch fibers are anaerobic

• True

• False

Which is false of fast twitch fibers?

• Sprinters/ track athletes have more

• Anaerobic

• Fatigue more easily

• Aerobic