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How do you improve hamstring flexibility

Muscle control you can use while stretching your hamstrings
Published: 2019 12 02
Categories/Tags: Hamstring Flexibility
<#alt#> Neil Keleher, Sensational Yoga Poses.

If you want to touch your toes with your knees straight then you need to improve your hamstring flexibility.

How do you go about doing that?

Hamstring Stretches

You can do various hamstring stretches to try and improve hamstring flexibility. (Examples in the links below).

An important factor in improving hamstring flexibility safely is not so much the stretching position or posture (though that helps) but learning to control (and via that control, feel) muscles that work on the hips, knees, and feet, and even muscles that cross the lumbar spine.

To improve hamstring flexibility, the focus isn't just on the hamstrings!

Stretching positions for improving hamstring flexibility

Two very basic positions for improving hamstring flexibility are with a standing forward bend or a seated forward bend.

Standing forward bend with knees straight, hands on a chair and elbows bent. Neil Keleher. Sensational Yoga Poses.
Seated forward bending hamstring stretch with knees straight and hands reaching forwards.  Neil Keleher, Sensational Yoga Poses.

Other positions include lying supine (on your back) with your legs up in the air, or against a wall, or even, if you are lying under a table, against the edge of that table as shown in this pose from simple postures for stretching your hamstrings.

An alternative to lying with feet up a wall is to lie under a table with a foot resting against the edge of the table. You can use this as an easy way to stretch your hamstrings. Neil Keleher. Sensational Yoga Poses.

One of my favorite seated positions for stretching the hamstrings is the hurdlers stretch position. This can be dangerous for the knee if you aren't careful. That being said, if you are careful, it's actually in some ways one of the easier single leg seated forward bends with the added bonus that the non-straight leg is internally rotated. To find out more, including how to keep your knee safe, read hurdlers stretch.

Bending towards the straight leg with hands lifted and reaching forwards. Neil Keleher. Sensational Yoga Poses.

Using gravity to improve hamstring flexibility

Doing a standing forward bend you have the option of using gravity. You can use gravity in two ways to help improve hamstring flexibility. If you relax your hamstrings, you can use gravity to help stretch your hamstrings passively, or with a relaxed stretch. Gravity provides the stretching force. An alternative is to use your hamstrings against gravity. This can be simply to resist and strengthen the hamstrings and then while relaxing them allow your ribcage to sink closer to the floor and your thighs. Or you can activate your hamstrings against gravity but then while keeping them active, gradually lengthen them (allow them to lengthen). This could be thought of as a resisted hamstring stretch.

The hamstrings are a multijoint set of muscles

The hamstrings are a multi-joint set of muscles. They are poly-articular. They cross and act on both the back of the knee joint and the back of the hip joint.

In a standing forward bend they can be used to resist forward bending at the hips, or they allow a slow and controlled descent into a standing forward bend. In both regards they can work with the gluteus maximus muscle.

Muscles need a force to work against

An important point to note about muscles in general is that in order to activate, they need an opposing force to work against. If an externally provided force is absent, that force can be provided by body weight (and gravity). It can also be provided by opposing muscles.

Opposing muscles create stability and sensation

When opposing muscles work against each other, they not only create sensation, they also create stability. When foot and ankle muscles work against each other they help to stabilize the foot, ankle and shin bones.

If you are standing, then this stabilization affect is emphasized by the weight of the body pressing down through the feet.

Anchoring your feet while standing

Consider this, with the feet and ankles stabilized, and bearing body weight, all bones of the foot act as anchors for muscles that attach to them. As a result, with feet and ankles stabilized, the shins or lower leg bones are also stabilized or anchored. This then gives the hamstring muscles a fixed endpoint.

With a fixed endpoint your hamstrings can either relax, and allow your upper body to tilt forwards. Or they can effectively activate and slowly lengthen as they allow your body to tilt forwards.

Using your arms to help improve hamstring flexibility

You could do a standing forward bend and support the weight of your upper body with your arms. If you can't touch the floor with your hands (as may be likely since you are trying to improve your hamstring flexibility so that you can touch the floor with knees straight) you can place your hands on yoga blocks, the seat of a sturdy chair, or against your shins.

Standing hamstring stretch with hands on a chair and arms engaged to support the weight of upper body. Hamstrings are relaxed with knees straight. Neil Keleher, Sensational Yoga Poses.

Note that to help support your body weight your arms have to be active. Your hands have to be pressing into the floor (or a chair or yoga blocks). If you can feel your hands pressing the floor, that's a sure sign that they are indeed bearing some part of your body weight.

With hands on the floor, you may find that you can relax your hamstrings. From there you could allow your elbows to slowly bend, while continuing to use your arms to support your body weight. You then lengthen your hamstrings while keeping them relaxed.

Standing forward bend with knees straight and hands on a chair. Arms are supporting upper body so hamstrings can relax. Neil Keleher, Sensational Yoga Poses.
Standing forward bend with hamstrings engaged so that they support the weight of the upper body so that hands can be lifted. Neil Keleher, Sensational Yoga Poses.

Another option is to activate your hamstrings so that your hands relax. Your hamstrings are now bearing your body weight. Lift your hands without allowing your body to move. Your hamstrings are now bearing the weight of your upper body. Put your hands down, then relax your hamstrings (or feel them relax). You can then try to bend your elbows to deepen the forward bend while keeping your hands relaxed.

Standing forward bend with knees straight and hands on a chair. Hamstrings are kept relaxed so that they can be stretcheds as the elbows are bent and the forward bend increase. Neil Keleher, Sensational Yoga Poses.

Another option is to try allowing your ribcage to lower while keeping your hands lifted and your hamstrings active.

Using your calfs to help improve hamstring flexibility

I mentioned that muscles need an opposing force to work against. If you activate your calf muscles, in particular your gastrocnemius muscles, which cross the back of your knee joint, you may find that your quadriceps activate also.

Standing forward bend with heels lifted so that calfs are engaged. Hands are off of the floor. Neil Keleher, Sensational Yoga Poses.

(One way to activate the calfs is to lift the heels while doing a standing forward bend.)

The quads in this case are working against your calf muscles to stabilize your knee joint. This may then give your hamstrings a fixed endpoint making it easier to forward bend and improve your hamstring flexibility. You could try activating your hamstrings and lengthening them, or relaxing them. Note that if you activate them, your quads may activate with greater force since now they are working against calfs and quadricep muscles.

Standing forward bend with knees straight and hands flat on the floor. Quadriceps are engaged. Neil Keleher, Sensational Yoga Poses.

Using your hip flexors to help improve hamstring flexibility

As mentioned, the hamstrings work on the back of the hip joint. They also attach to a prominent corner point of the hip bone, the ischial tuberosity or sitting bone. At the opposite corner of the hip bone is the ASIC or anterior superior iliac crest. This is the point of the hip bone you can feel to the side of and just below the plane of the belly button.

Standing upright, in order to activate your hamstrings, they'll need something to work against at the hip joint. Three hip flexors (sartorius, rectus femoris, tensor fascia latae) all attach at or near the ASIC. These are "long hip muscles".

To activate your hamstrings while standing it may help to activate these muscles also. Or they may activate automatically if you manage to self activate your hamstrings.

You may find that activating these muscles against each other gives your hips a feeling of stability. You can try maintaining this stability while slowly moving into a forward bend. As you get deeper into the forward bend, work at continuing to maintain hip stability. See if that helps you to deepen your forward bend and thus improve your hamstring flexibility.

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