hamstring muscle anatomy tear

I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff.

In bodybuilding, tears of hamstring muscles are common. This often happens during squat when the torso is too much inclined. All hamstrings muscles (except biceps femoris short head) are extremely stretched and squeeze strongly to straighten the pelvis. Precisely at this point, there may be a muscle tear in the upper or middle part of this muscle group.

It’s possible that the tear of hamstring muscle occur with machine (leg curl). There may be a muscle tear with a heavy weight at the beggining of the movement when legs stretched and muscles stretched.

Usually, tears of the muscular fibers of hamstrings are small and not serious (it’s rare to see a major muscle tear or tendon disinsertion) but these tears are always painful and causes complications.

Indeed, often after a tear on this muscle group, there is a fibrous scar that causes a painful and disabling rubbing for sport practices. And it’s important to note that this scar isn’t elastic and can tear again during an intense effort.

Tip to avoid hamstring tears

To avoid theses muscle tears during squat or deadlift, it’s important to make specific stretching movements for hamstrings, before or between sets.

There are also other exercise like « Good-morning », stiff-legged deadlift or Romanian deadlift which helps because of their combined actions of muscle building and stretching.

After a tear of hamstrings

To avoid having a fibrous scar, it’s necessary to do a re-education a week after the tear. It’s important to do stretching exercises for the back of the thigh slowly. This allows you to stretch the injured muscles and to soften the scar so that it doesn’t tear when you start again the training.

feedback of hamstrings muscles

hamstring muscle anatomy tear pelvis

In modern societies, we sit for several hours. This can create in some people a feedback of hamstrings muscles. This muscles retraction of the back of the thigh puts the pelvis in retroversion and this creates a bad position of the spine.

This poor position of the spine causes the natural curvature of the spine to be lost over time. This results in poor posture, flat buttocks and round back that can trigger spinal pathologies.

To limit this feedback of hamstrings muscles, it’s recommended to do exercises that have a combined action of muscle strengthening and stretching at the back of the thigh as the « Good-morning », stiff-legged deadllift and Romanian deadlift. Then after this exercise session, it’s advisable to do some sets of stretching for hamstrings.

Action of hamstrings at squat

hamstring muscle anatomy tear squat

During squat, hamstring muscles squeeze to straighten the pelvis. This prevents the torso (in this phase the torso is bound to the pelvis by the contraction of the abs and lumbar) from bending too much forward.

hamstring muscle anatomy tear

Note

Fibrous scars can also be treated in parallel by a physiotherapist with manual or mechanical massages to soften the lesion.

Share this article if you think it can help someone you know. Thank you.

-Steph

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Tear Of Hamstring Muscle
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