COKO COKO Anatomy and Biomechanics 1

Question 1

Which plane of the body divides it into anterior (front) and posterior (back) halves?

Accepted Answer

Frontal (coronal) plane

Answer

The frontal (coronal) plane divides the body into anterior and posterior sections and is the plane in which abduction and adduction movements occur.

Question 2

The gluteus maximus is the primary muscle responsible for which movement at the hip?

Accepted Answer

Hip extension

Answer

The gluteus maximus is the largest and most powerful hip extensor, critical for activities like rising from a chair, climbing stairs, and sprinting.

Question 3

What type of joint is the glenohumeral (shoulder) joint?

Accepted Answer

Ball-and-socket joint

Answer

The glenohumeral joint is a ball-and-socket joint allowing the greatest range of motion of any joint in the body across multiple planes.

Question 4

During a squat, which muscle group acts as the primary knee extensor?

Accepted Answer

Quadriceps femoris

Answer

The quadriceps femoris (rectus femoris, vastus medialis, lateralis, and intermedius) are the primary knee extensors active during the ascending phase of a squat.

Question 5

The term 'valgus' at the knee refers to:

Accepted Answer

Inward angulation of the knee (knees cave medially)

Answer

Knee valgus describes medial collapse of the knee joint, a common movement fault associated with increased ACL injury risk, often corrected in kinesiological assessments.

(COKO) College of Kinesiologists of Ontario Practice Test

(COKO) College of Kinesiologists of Ontario Practice Test

COKO COKO Anatomy and Biomechanics 1