Develop active hip flexion strength in a figure 4 base with this lift-off drill — a precise, demanding movement that isolates the hip flexors of the straight leg in a crossed position, challenging them to generate and sustain force in their shortened, most compressed state rather than chasing height or range.

Seated in a figure 4 position with one ankle at the opposite knee, the straight leg extends forward from the base. From here, the task is to lift the straight leg into hip flexion and hold the isometric contraction — focusing entirely on the quality and intensity of the muscular effort rather than the height of the lift. The angle of hip flexion is the load management tool: a more closed angle between the torso and the leg — sitting more upright — places the hip flexors in a shorter, more compressed position, making the lift significantly harder and the contraction more intense. Leaning back opens the angle, reducing the demand on the hip flexors and making the lift more accessible. Find the angle where a genuine, effortful contraction is possible and work from there — not the easiest position, but the most honest one.

The figure 4 base creates a unique demand on the hip flexors of the straight leg. With one hip already in external rotation and flexion from the crossed leg, the pelvis is placed in a slightly rotated position that changes the mechanical environment for the straight leg's hip flexors — loading them in a way that differs meaningfully from conventional seated or supine hip flexion drills. Lifting into flexion from this base demands that the hip flexors work in a combined position of rotation and flexion, building strength across a more complex plane of hip motion. The emphasis on tension over height is the key principle — a small lift held with maximum muscular effort produces far greater adaptation than a high lift achieved with momentum or compensation.

Expect a sharp, concentrated contraction deep at the front of the hip of the working leg as the lift is initiated and held. The effort should feel intense and localised — all of it coming from the hip flexors working hard in their shortest position. The base leg and figure 4 position should remain completely still throughout. No rocking, no leaning into the lift, no momentum. If the lift feels effortless, close the angle — sit more upright — until the hip flexors are genuinely challenged. Over time, this drill builds the active hip flexor strength in a combined rotational and flexion position that transfers to better athletic performance, smoother gait, and long-term hip health.