concept 2: movement

Fill in the Blanks

Dorsiflexion and plantar flexion occur at the

.

Multiple Choice

Which of the following best describes the difference between isotonic and isometric muscle contractions?

• Isotonic contractions change muscle length, isometric contractions do not

• Isotonic contractions do not change muscle length, isometric contractions do

• Both isotonic and isometric contractions change muscle length

• Neither isotonic nor isometric contractions involve muscle contraction

Fill in the Blanks

Name the muscle in the picture

Open Ended

Explain how the concepts of origin and insertion relate to the movement of the arm during a bicep curl.

Open Ended

How do ligaments and tendons contribute to body movement?

Multiple Choice

What are the main functions of joints in the human body?

• They give the skeleton mobility and hold it together

• They produce red blood cells

• They store calcium

• They protect internal organs

Multiple Choice

Muscles are divided into voluntary and involuntary

• True

• False