NCBTMB Kinesiology and Biomechanics Questions and Answers

Question 1

A client is performing a standing calf raise, pushing their body weight up onto the balls of their feet. This action at the ankle joint represents which class of lever?

Accepted Answer

Second-class lever

Answer

First-class lever

Answer

Third-class lever

Answer

Fourth-class lever

Question 2

During the swing phase of the gait cycle, a client's foot catches the ground. Weakness in which muscle group is most likely contributing to this issue, commonly known as 'foot drop'?

Accepted Answer

Dorsiflexors

Answer

Plantar flexors

Answer

Hip flexors

Answer

Knee extensors

Question 3

A massage therapist is working with a client to increase shoulder abduction range of motion. The therapist notes that for smooth, full-range movement to occur, the deltoid and the rotator cuff muscles must work together synergistically. What is this biomechanical relationship called?

Accepted Answer

Force-couple

Answer

Agonist-antagonist pairing

Answer

Reciprocal inhibition

Answer

Length-tension relationship

Question 4

Which of the following describes a closed kinetic chain exercise?

Accepted Answer

Push-up

Answer

Bicep curl with a dumbbell

Answer

Leg extension on a machine

Answer

Lateral raise with a resistance band

Question 5

A therapist is instructing a client on an exercise to strengthen their rhomboids. The client is asked to slowly pull a resistance band towards their chest while squeezing their shoulder blades together. What type of muscle contraction are the rhomboids performing during this pulling phase?

Accepted Answer

Concentric

Answer

Isometric

Answer

Eccentric

Answer

Isokinetic

Question 6

The articulation between the first carpal (trapezium) and the first metacarpal of the thumb is a classic example of which type of synovial joint, allowing for flexion, extension, abduction, adduction, and opposition?

Accepted Answer

Saddle joint

Answer

Hinge joint

Answer

Ball-and-socket joint

Answer

Pivot joint