CMP Kinesiology & Biomechanics 1

Question 1

Which plane of motion divides the body into anterior (front) and posterior (back) sections?

Accepted Answer

Frontal (coronal) plane

Answer

The frontal (coronal) plane divides the body into front and back halves, and movements in this plane include abduction and adduction.

Question 2

What term describes the movement of a limb away from the midline of the body?

Accepted Answer

Abduction

Answer

Abduction is the movement of a body part away from the midline, such as raising the arm out to the side.

Question 3

Which muscles are primarily responsible for hip extension during walking?

Accepted Answer

Gluteus maximus and hamstrings

Answer

The gluteus maximus and hamstring group are the primary hip extensors, propelling the body forward during gait.

Question 4

What is the primary function of synergist muscles?

Accepted Answer

To assist the prime mover in performing a movement

Answer

Synergist muscles assist the prime mover (agonist) by contributing to the same movement or by stabilizing to allow more efficient action.

Question 5

In muscle anatomy, the term 'origin' refers to:

Accepted Answer

The proximal and relatively fixed attachment point

Answer

The origin is the proximal, relatively stationary attachment of a muscle, while the insertion is the distal, more movable end.

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