Group Fitness Instructor Review Questions Chapter 2

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Chapter 2: Fundamentals of Anatomy

1. Muscle action that involves lengthening as tension is created is described as
A. Concentric
B. Eccentric
C. Isometric
D. Isotonic

2. Which involuntary motor response, when stimulated, causes a suddenly stretched muscle to respond with a corresponding contraction?
A. Golgi tendon organ
B. Muscle spindle
C. Stretch reflex
D. Range of motion

3. The wrist is classified as what type of joint?
A. Condyloid
B. Synovial
C. Cartilaginous
D. Hinge

4. Flexion and extension occur in which plane?
A. Transverse
B. Frontal
C. Multiplanar
D. Sagittal

5. Flexion, lateral flexion, and rotation of the trunk are all characteristics of which abdominal muscle(s)?
A. Rectus abdominus
B. Erector spinae
C. Internal and external obliques
D. Transverse abdominus

6. The rotator cuff muscles are comprised of which of the following?
A. Serratus anterior, infraspinatus, trapezius, and subscapularis
B. Supraspinatus, infraspinatus, teres minor, and subscapularis
C. Supraspinatus, infraspinatus, teres major, and subscapularis
D. Serratus anterior, infraspinatus, teres minor, and subscapularis

7. The middle deltoid functions as the prime mover for shoulder:
A. Adduction
B. Extension
C. Abduction
D. Internal rotation

8. Which blood vessel contains valves to prevent blood from flowing backward?
A. Arteries
B. Veins
C. Capillaries
D. Arterials

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