Now, we’re checking motion at the sagittal plane. Does the knee drop below the hip? Obviously if it does not we’re dealing with a mobility restriction (depending on who you ask). However, if you change the view up and look at the transverse and frontal planes (bottom up view) a lot of times you’ll find that the knee drops below the hip, but the hip ends up rotating externally and abducting from the body. This could be due to a tightness of the TFL (tensor fascia latae) and iliopsoas (Even though the knee may drop below the hip). Check the video out below:
Notice what happens to the leg when viewed from the below:
Now when addressing this issue we want to make sure we mobilize in a neutral position. One of my favorite corrective exercises is a regular 1/2 kneeling hip flexor stretch but with 2 tweaks:
Give this one a shot with the next patient you get with a thomas test that looks like this.
Want to learn more about how to assess the hips and to find other great exercises to mobilize it? Check out my latest product with Dr. Dave Tilley:
The Ultimate Guide to Understanding and Fixing Technical Flaws in the Handstand, Muscle-up and Olympic Lifts
My TFL is Toast,
Dan Pope DPT, OCS, CSCS, CF-L1
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