Chapter 9 Quiz

1. Which of the following is the PRIMARY purpose of a tendon?

• a. Connects bone to bone

• b. Attaches muscle to bone

• c. Protects bones from decay

• d. Increases muscular strength

2. Which of the following roles do osteoblasts play in the remodeling process?

• a. Build bones

• b. Break down bones

• c. Connect bones

• d. Prevent injury

3. Which portion of the spine consists of five fused vertebrae?

• a. Coccyx

• b. Lumbar

• c. Sacrum

• d. Cervical

4. Which of the following movements occurs in the frontal plane?

• a. Abduction of the leg

• b. Extension of elbow

• c. Flexion of the foot

• d. Rotation of the trunk

5. Which of the following types of muscle is considered voluntary?

• a. Smooth

• b. Cardiac

• c. Rigid

• d. Skeletal

6. Which of the following muscles is considered the prime mover in a push-up?

• a. Pectoralis minor

• b. Pectoralis major

• c. Rhomboids

• d. Rectus abdominis

7. During the concentric portion of a seated leg extension, which muscle group is performing as the antagonist?

• a. Hamstrings

• b. Quadriceps

• c. Gluteals

• d. Iliopsoas

8. Fast-twitch muscle fibers are PRIMARILY recruited during which of the following exercises?

• a. Body-weight squats

• b. Power clean

• c. Leg curls

• d. Push-ups

9. Which of the following exercises BEST demonstrates isometric action?

• a. Deadlift

• b. Push-up

• c. Modified V-sit

• d. Body-weight squats

10. During the concentric phase of a biceps curl, which muscle acts as the prime mover?

• a. Biceps brachii

• b. Triceps brachii

• c. Anterior deltoid

• d. Posterior deltoid