FREE MBLEx Test Kinesiology and Biomechanics Questions and Answers

Question 1

A client is performing a bicep curl. The action of lowering the weight in a controlled manner involves which type of muscle contraction in the biceps brachii?

Accepted Answer

Eccentric

Answer

Isometric

Answer

Concentric

Answer

Isokinetic

Question 2

A client is standing and performs abduction of the hip by lifting their leg out to the side. This movement occurs primarily in which cardinal plane?

Accepted Answer

Frontal

Answer

Sagittal

Answer

Transverse

Answer

Oblique

Question 3

During a proprioceptive neuromuscular facilitation (PNF) stretching technique, a therapist asks the client to contract the quadriceps to encourage the hamstrings to relax. This physiological principle is known as:

Accepted Answer

Reciprocal inhibition

Answer

Autogenic inhibition

Answer

Stretch reflex

Answer

Post-isometric relaxation

Question 4

Which of the following describes a closed kinetic chain movement?

Accepted Answer

Performing a squat

Answer

Leg extension on a machine

Answer

Throwing a baseball

Answer

Bicep curl with a dumbbell

Question 5

For upward rotation of the scapula to occur efficiently, the upper trapezius, lower trapezius, and serratus anterior must work together synergistically. This type of muscular teamwork is known as a:

Accepted Answer

Force couple

Answer

Reversal of action

Answer

Prime mover action

Answer

Fixator contraction

Question 6

A client presents with an anterior pelvic tilt. Which pair of muscles is most likely tight and short, contributing to this postural deviation?

Accepted Answer

Hip flexors and erector spinae

Answer

Rectus abdominis and hamstrings

Answer

Gluteus maximus and external obliques

Answer

Adductor longus and quadratus lumborum