Massage and Bodywork Licensing Examination MBLEx Test Kinesiology and Biomechanics 1

Question 1

When the biceps brachii flexes the elbow joint, with the elbow acting as the fulcrum and a weight held in the hand as the load, which class of lever is demonstrated?

Accepted Answer

Third class

Answer

First class

Answer

Second class

Answer

Fourth class

Question 2

Which sensory receptor detects rapid changes in muscle length and initiates the stretch reflex arc?

Accepted Answer

Muscle spindle

Answer

Golgi tendon organ

Answer

Pacinian corpuscle

Answer

Ruffini ending

Question 3

A muscle that assists the prime mover by contributing to the same joint action is classified as a:

Accepted Answer

Synergist

Answer

Antagonist

Answer

Fixator

Answer

Neutralizer

Question 4

During a closed kinetic chain exercise such as a standing squat, what best characterizes the distal segment?

Accepted Answer

It is fixed against an immovable surface

Answer

It moves freely through space

Answer

It acts as the primary axis of rotation

Answer

It undergoes only eccentric contractions

Question 5

Which type of muscle contraction occurs when the muscle generates tension but neither the joint angle nor the muscle length changes?

Accepted Answer

Isometric

Answer

Eccentric

Answer

Concentric

Answer

Isokinetic

Question 6

Movements occurring in the sagittal plane, such as flexion and extension, rotate around which axis of motion?

Accepted Answer

Mediolateral (frontal) axis

Answer

Vertical (longitudinal) axis

Answer

Anteroposterior (sagittal) axis

Answer

Oblique axis