Abdominal & Hip Flexor #3 is characterized by which spinal position?

Abdominal & Hip Flexor #3 is characterized by which spinal position?

• A. Flexion with rounding of the spine.
• B. Hyperextension of the spine.
• C. Neutral spine.
• D. Side bending.

Answer: (B)

The position being tested is a hyperextended spine. In Abdominal & Hip Flexor #3, keeping the torso extended creates a long, stable base that lets the abdominal muscles brace and the hip flexors work effectively without the spine curling forward. This setup also helps protect the lower back by distributing effort along the posterior chain rather than allowing rounding. Rounding the spine would shift emphasis toward forward flexion and reduce core stabilization; a neutral spine would lessen the challenge and change which muscles are recruited; side bending would introduce lateral load and misalign the movement pattern.

The position being tested is a hyperextended spine. In Abdominal & Hip Flexor #3, keeping the torso extended creates a long, stable base that lets the abdominal muscles brace and the hip flexors work effectively without the spine curling forward. This setup also helps protect the lower back by distributing effort along the posterior chain rather than allowing rounding.

Rounding the spine would shift emphasis toward forward flexion and reduce core stabilization; a neutral spine would lessen the challenge and change which muscles are recruited; side bending would introduce lateral load and misalign the movement pattern.