Free CES Human Movement Science Questions and Answers

Question 1

What is the primary function of the sagittal plane in human movement?

Accepted Answer

Flexion and extension

Answer

The sagittal plane divides the body into left and right halves. Movements that occur within this plane are primarily flexion (decreasing the angle between two body parts) and extension (increasing the angle between two body parts), such as bicep curls, squats, or walking. These movements involve forward and backward motion.

Question 2

Which muscle is primarily responsible for hip extension?

Accepted Answer

Gluteus maximus

Answer

The gluteus maximus is the largest and most superficial of the gluteal muscles and is the primary muscle responsible for hip extension. This action involves moving the leg backward from the hip joint, as seen in activities like standing up from a squat, climbing stairs, or running. While hamstrings also contribute, the gluteus maximus is the main mover for powerful hip extension.

Question 3

What role does the transverse abdominis play in core stabilization?

Accepted Answer

Stabilizes the lumbar spine

Answer

The transverse abdominis (TrA) is the deepest of the abdominal muscles and plays a crucial role in core stabilization. It acts like a natural corset, compressing the abdominal contents and increasing intra-abdominal pressure, which helps to stabilize the lumbar spine and pelvis before limb movements occur. This deep stabilization is vital for preventing lower back pain and improving movement efficiency.

Question 4

Which movement occurs in the frontal plane?

Accepted Answer

Side lunges

Answer

The frontal plane divides the body into front (anterior) and back (posterior) portions. Movements in the frontal plane involve abduction (moving a limb away from the midline) and adduction (moving a limb towards the midline), or lateral flexion. Side lunges involve moving the leg out to the side, which is an abduction movement in the frontal plane.

Question 5

What is the function of the kinetic chain in movement?

Accepted Answer

Links joints and muscles for efficient motion

Answer

The kinetic chain refers to the concept that the human body's joints and muscles are interconnected and work together in a sequence to produce efficient movement. When one segment of the chain moves, it affects the movement of other segments, creating a coordinated action. Understanding the kinetic chain is crucial in corrective exercise for identifying how dysfunctions in one area can impact overall movement patterns and performance.

CES - Corrective Exercise Specialist Certification Practice Test

CES - Corrective Exercise Specialist Certification Practice Test

Free CES Human Movement Science Questions and Answers