1. Supine Glute Bridge with Hamstring Emphasis (Bed)

Lie on your back, knees bent, feet flat on the bed, heels close to glutes. Lift hips to full extension. At the top, press through the heels and pull them slightly toward your glutes without moving the feet. Feel the hamstring and glute co-contract. Lower with control. This is the foundational posterior chain pattern.

2. Supine Heel Slide Curl (Bed)

Lie on your back with one leg extended. Slide the heel toward your glutes, bending the knee as far as possible. Hold for 2 seconds. Slide back to extension. This isolates hamstring flexion with minimal spinal load. It also lubricates the knee joint through its full flexion Range Priority Index.

3. Seated Hamstring Isometric Curl

Sit at the edge of a chair. Cross one ankle over the opposite knee. Press the crossed ankle downward into the supporting knee, engaging the hamstring isometrically. Hold for 5 to 8 seconds. Relax. This builds intramuscular tension without joint movement. Safe for compromised knee structures.

4. Prone Hamstring Curl with Band (Bed)

Lie face-down on the bed. Loop a light resistance band around one ankle, anchored to the bed frame or held by a partner. Bend the knee, pulling the heel toward the glutes against band resistance. Lower with control. This adds progressive resistance to the flexion pattern. Keep hips pressed into the mattress to prevent lumbar compensation.

5. Supine Double Leg Curl with Glute Squeeze (Bed)

Lie on your back, knees bent, feet flat. Lift hips to bridge position. While holding the bridge, alternate sliding one heel toward the glutes, then the other. This combines hamstring flexion with glute and core stabilization. The exact posterior chain coordination needed for gait.

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Muscle Growth Max (MGM)

MGM Zone 1 (Maintenance): 2 sets of 8 reps, supine bridge and heel slide only, twice weekly. Keeps the hamstrings neurologically active and the hip hinge pattern alive.

MGM Zone 2 (Growth): 3 sets of 10 to 12 reps, three exercises, twice weekly. The hamstrings begin rebuilding contractile tissue. Chair lowering becomes more controlled.

MGM Zone 3 (Specialization): 3 to 4 sets of 12 to 18 reps, four exercises, twice weekly. Introduce prone band curl and double leg curl. Gait pattern stabilizes measurably.

MGM Ceiling: 5 sets across 3 sessions. Only at Level II with confirmed independent walking and medical clearance. Hamstring soreness alters gait and increases fall risk. I respect this threshold.

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Rep Ranges

Level I (Weeks 1 to 12): 8 to 12 reps at RIR 3 to 4. Bridge and heel slide focus. Tempo: 2 seconds curl, 3 seconds lower. Eccentric control is everything for the posterior chain.

Level I Transition (Weeks 13 to 24): 10 to 15 reps at RIR 2 to 3. Add seated isometric curl and prone band curl. Light band only. Track chair descent control weekly.

Level II (Months 8 to 15): 12 to 20 reps at RIR 1 to 2. Add double leg curl with glute squeeze. Superset bridge with heel slide. Walking endurance is the metric, not mirror checks.

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XPL Level Adjustments

At Level I, every hamstring session begins with 2 minutes of supine pelvic tilts. The hamstrings attach to the pelvis. If the pelvis is locked in anterior or posterior tilt, the hamstrings cannot fully contract or lengthen. I mobilize the pelvis before loading the hamstring.

At Level II, I introduce pause reps at the top of the prone band curl. The hamstring responds to peak contraction under isometric load. This builds the Output Integrity needed for controlled gait and descent.

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Common Mistakes

• Lifting hips during prone curl. This dumps load into the lumbar extensors and destroys hamstring isolation. I cue “belly stays on the bed” on every rep.
• Rushing the eccentric. The hamstring is an eccentric muscle. It controls lengthening. Every fast lowering is a missed training opportunity and an injury risk.
• Neglecting the isometric. The seated curl builds time under tension at the shortest muscle length. That length is where chair-lowering control lives.
• Training hamstrings without glutes. The posterior chain is a system. I never isolate hamstrings without glute co-activation. The bridge ensures this.

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Action Plan

Weeks 1 to 4: Supine glute bridge, 2 sets of 8 reps. Supine heel slide curl, 2 sets of 8 reps per leg. Both twice weekly. Document chair descent: controlled, partial control, or uncontrolled.

Weeks 5 to 12: Add seated hamstring isometric curl, 3 sets of 6-second holds per leg. Add prone band curl, 2 sets of 10 reps per leg with light band. Track descent control every 2 weeks.

Months 4 to 8: All five exercises in rotation. 3 sets each. One session emphasizes bridge and double leg curl. Next session emphasizes heel slide and prone curl. Walking distance is the weekly metric.

Months 8 to 15: Level II density. Superset bridge with heel slide. 4 sets of 15 to 18 reps. Prone band curl, 3 sets of 12 to 15 reps per leg. Goal: walk 100 feet without assist device.

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Proverb

“The bow that is always bent will break. The string that rests will sing when pulled.”

Your hamstrings have been at rest. I am tuning them to sing again.

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Closing

I am Xavier Savage from xperformancelab.com. I have watched women who could not lower themselves into a chair without falling rebuild to controlled descent, then to walking, then to independence. The hamstrings respond. They are waiting for signal, for patience, for pattern. I provide all three twice a week, under medical supervision, with structure that outlasts resignation.

Slide both heels toward your glutes and squeeze for 10 seconds before your next descent. Count it. Inertia Over Inspiration. Engineered by XPL.