Does This Increase Your Hamstring Length

February 15, 20262 min read

This exercise can be a great way to increase hamstring length and change other symptoms. I ordinarily use this as a prescribed exercise, but find it to be reliably good for hamstring length, and other things as I've decided it will be helpful.

Hamstring Mobility Technique — Instructions

Instructions for Hamstring Mobility Technique

Important safety note

  • Do not do this if you have current or recent sciatic pain unless you are under professional supervision. 

  • Even if pain is currently absent, symptoms can worsen.

  • Note that head tightness, headaches and other symptoms can also be increased from this exercise. Please exercise caution.

  • This exercise can release neurotransmitters that can significantly flare up symptoms, - it's excruciating, even though the exercise is done pain free in every situation.

  • Make good choices.

  • If you have had pain, try ONE set.

  • Reassess after 24 Hours.

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Starting position

  1. Lie down or sit comfortably.

Hand placement

  1. Place your index finger in the crease at the back of your knee.

  2. Let your little finger fall between the two hamstring tendons, roughly in the middle. [

  3. Press one hand in, then place the other hand beside it so both hands are dug in firmly.

Finding ease of movement

  1. Gently take up the slack until all tension is removed (do not force).

  2. Test which direction feels easier:

    • Up toward the ceiling or down toward the floor

    • Inwards or outwards

  3. Identify the most comfortable combination of directions (up/down + in/out).

Repetitions

  1. Perform 6 gentle movements in the easiest combination you found.

  2. Keep the sensation light—about 3/10 tension.

  3. Stop and retest movement:

    • Does it move more easily up or down?

    • Does it move more easily in or out?

Repeat and reassess

  1. Choose the new easiest combination and perform another 6 repetitions.

  2. Test again, then perform a final set of 6 repetitions if movement remains easy.

Key reminders

  • Always test first, then move.

  • Do not overdo it—more is not better.

  • This technique can create a large improvement in movement without stretching the hamstrings directly.

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Hi, I’m Storm — a physio who’s slightly obsessed with how the body moves (and how to get it moving better). I’ve got a Bachelor of Health Science (Physiotherapy) from AUT and a Postgraduate Diploma in Musculoskeletal Physiotherapy, which is the formal way of saying I really like fixing sore, grumpy bodies.

I’m all about practical, no-nonsense rehab — a mix of hands-on treatment, smart exercises, and helping you understand what’s actually going on so you can get back to doing what you love (without Googling your symptoms at 2am).

Storm Baynes-Ryan

Hi, I’m Storm — a physio who’s slightly obsessed with how the body moves (and how to get it moving better). I’ve got a Bachelor of Health Science (Physiotherapy) from AUT and a Postgraduate Diploma in Musculoskeletal Physiotherapy, which is the formal way of saying I really like fixing sore, grumpy bodies. I’m all about practical, no-nonsense rehab — a mix of hands-on treatment, smart exercises, and helping you understand what’s actually going on so you can get back to doing what you love (without Googling your symptoms at 2am).

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