Tight hamstrings
What it usually means, what is likely tight and weak, and a routine that helps. Also called runner's stretch test, hamstring flexibility.
In short
In the runner's stretch, with the front leg straight, the body cannot hinge far over the leg. Usually tight hamstrings on that side.
Why it matters
Tight hamstrings limit how far you can hinge, so the low back rounds to make up for it when you bend or lift.
Usually tight
- · Hamstrings (that side)
- · Calf (that side)
Usually weak
- · Glutes
- · Hip hinge control
Other things that can cause it
- · Nerve tension (sciatic) if it tingles or burns down the leg
- · Low back stiffness
A corrective routine for tight hamstrings
Done in this order: calm what is tight, lengthen it, then strengthen what should be doing more. Daily for 3 to 6 weeks is a good start.
Myofascial release
Static stretch
Dynamic stretch
Strengthen
Everyday habit
Hinge from the hips with a long back when you bend, and keep stretches gentle: no bouncing.
How long it takes
Often improves in 4 to 8 weeks of daily stretching, with steady work. Re-check every 2 to 4 weeks.
How Kentro checks it
It shows up in the runner's stretch, hamstring part of the scan: same kneel, right leg in front, phone low, shoulders to knees in view. Kentro measures each side separately, so you see which side it is and whether it is improving between scans.
When to see a professional
See a doctor or physical therapist if you have pain that is sharp, getting worse or lasts more than a couple of weeks, numbness, tingling or weakness, pain after a fall or injury, or pain at night. This guide is general education for healthy adults, not a diagnosis or treatment plan.
Do you have it? Find out free.
Prop your phone against a wall. Kentro checks tight hamstrings and the rest of your posture and movement, then builds your routine.
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