Which of the following is true about Abdominal & Hip Flexor #4 Knee Stabilization springload?

• A. 0.5-1.0 springs; 5-10 reps.
• B. 1.5-2.5 springs; 15-20 reps.
• C. 2-3 springs; 20-30 reps.
• D. 1-2 springs; 10-15 reps.

Answer: (B)

For this knee stabilization drill, the goal is to challenge the stabilizing muscles without sacrificing control or form. You want enough resistance to engage the deep core and hip stabilizers as the leg moves, while keeping the pelvis and knee alignment solid. A mid-range load of about 1.5–2.5 springs provides that balance, making the movement demand the stabilizers without forcing loss of control. Pairing this with 15–20 repetitions builds endurance and precise control, which is essential for maintaining stability through the exercise. Lighter resistance with very few reps can let momentum carry the movement, while heavier resistance with many reps can make it hard to maintain proper form. Therefore, 1.5–2.5 springs and 15–20 reps is the recommended setting for this drill.