Which is true about the Cartesian coordinate system?

Which is true about the Cartesian coordinate system? 




A. It is a special reference system used by biomechanists.
B. It can be used to describe two-dimensional or three-dimensional motion.
C. both A and B
D. none of the above


Answer: C. both A and B

Which of the following is true regarding circumduction?

Which of the following is true regarding circumduction? 




A. combines flexion, extension, adduction, and abduction
B. synonymous with rotation
C. both A and B
D. none of the above



Answer: A. combines flexion, extension, adduction, and abduction

Foot pronation occurs at which joint?

Foot pronation occurs at which joint? 




A. ankle
B. subtalar
C. both A and B
D. pronation does not occur in the foot



Answer: B. subtalar

During the preparatory phase for an underhand softball pitch, the hand holding the ball is drawn behind the body prior to the forward swing of the arm. When the hand is drawn behind the body, which of the following movements occurs at the shoulder?

During the preparatory phase for an underhand softball pitch, the hand holding the ball is drawn behind the body prior to the forward swing of the arm. When the hand is drawn behind the body, which of the following movements occurs at the shoulder? 




A. flexion
B. extension
C. hyperextension
D. circumduction



Answer: C. hyperextension

Abduction occurs in which plane?

Abduction occurs in which plane? 




A. sagittal
B. frontal
C. transverse
D. it depends on the action being performed



Answer: B. frontal

Which of the following statements is false?

Which of the following statements is false? 



A. the hip is distal to the knee
B. the shoulder is superior to the hip
C. superficial muscles are closer to the skin than deep muscles
D. the triceps are posterior to the biceps



Answer: A. the hip is distal to the knee