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  Kalamazoo Athletic Wellness

tHE kaw bLOG

Hamstrings Are The Victims - Not The Aggressors!

9/10/2019

1 Comment

 
By: Guest blogger Jeff Merrill LMT, BS

“Oh my hamstrings are so tight. I just need to stretch them out more.” Have you ever said this? If so, why do you think you need to stretch them out? The two purposes of the hamstring muscle group are to extend your leg back behind you and to bend your knee. So if you say they are tight, then you must be doing box jumps and/or jump
squats all day.

Wait, you aren't doing those things? Hmmm. Well then, maybe your hamstrings aren't really the issue. Let’s take a step back and look at what actually might be causing those hamstrings to be pulled tight.
Picture
Hamstrings highlighted in blue. Image courtesy Muscle Premium


Let’s review basic anatomy - where do the hamstrings start? They start on the, as yogis call it, “sitz bones” or Ischial Tuberosities. Basically if a person has a “Bony Butt,” these are the bones you are feeling. So these bones are at the bottom portion of your pelvis. They then end around the back part of your knee and on the inside of the tibia bone past the knee joint itself.

So, now let's look at a few reasons it might be tight:
1. Belly/Core Weakness
Consider the rotation of the pelvis. If the belly pushes the front of the pelvis down, what happens to the back part? It is going to pull upward. Where are the hamstrings attached? At the back portion of the pelvis. So as the front of the hips go down, the back gets pulled up and a stretch is applied to the hamstrings.

2. Hip Flexor Tightness
This is very similar to the belly weakness. As your hip flexors get too tight, they pull the front of your hips down and the back of your hips up. They also sometimes can rotate the hips into different planes: Right Forward/Left Back or Left Forward/Right Back. What this does is make one hamstring feel tighter than the other.
Picture
The front of the hips pull down stretching the hamstrings connected in the back. Image courtesy Muscle Premium.
3. Calves

As the front of the hips get pulled down, the back gets pulled up, making the hamstrings feel stretched. And a stretched muscle (which is weaker) doesn't activate as well as a muscle at normal length. So when a muscle is weak, other muscles that do similar actions start compensating and assisting those movements. Enter the calves. You
have two calf muscles: one that crosses the knee and one that does not. The one that crosses the knee helps to flex or bend the knee, just like the hamstrings. So if the hamstrings are weak, the calf muscle picks up the slack. What can happen is that the calf muscle can inhibit the hamstring movement.


4. Other Reasons
There are a myriad of other reasons, so it is often difficult to pin down exactly what is the cause, but here are a few others:
  • Lower portion of the IT band
  • Sacrotuberous ligament
  • Hip capsule stiffness
  • Tensor fascia latte and/or the upper portion of the IT band
  • Medial Rotators of the hip
  • Scar tissue in certain areas
  • Baker's cysts
  •  Quad tightness and adherence
As you can see, there are a great many reasons why your hamstrings may be tight. Most of them are not because of your hamstrings.

Come see us and we can help you figure out exactly where your problem areas are and then help you start getting the flexibility back into your legs.
Picture
Results not typical. Image courtesy of Muscle Matters blog: Using Massage to Improve Your Flexibility
1 Comment
Rebecca Brancheau
9/10/2019 07:20:59 pm

great article!

Reply



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    Author

    Nicholas Garman, LMT NSCA-CPT
    Nick is the owner of KAW and has been practicing massage since 2006.

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  • The KAW Blog