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Muted Hip Function (MHF)


This image from CrossFit NYC reminds me of Brady's form. Do you see it? Notice the hips and knees way forward. We need to help him with this.

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Elements of Muted Hip Function (MHF)
The elements of MHF include but are not limited to structurally disadvantaged spinal posture, low/no glute recruitment, low/no hamstring recruitment, pelvis abandons the spine and chases the legs, center of gravity shifts dramatically backward, center of balance shifts toward toes, knee experiences unsound sheer force, leg extension only productive effort, hip extension not possible with low hip angle, pelvis rotates wrong way, and most importantly stability, balance, and power diminish with lowered center of mass.

The Damage
The degree of MHP varies from mild to severe. In severe cases everything the athlete attempts is rocked by instability and low power. In mild cases power loss and instability occur only while under great physical stress. In combat and elite performance even mild MHF can lose the day.

The Solution
Deliberate and focused training and practice of demanding hip extension movements is the only way to eliminate the effects of MHF. Again, it will typically take three years or more to eliminate all tendencies toward MHF. No exercise offers as much opportunity to correct MHF tendencies than perfect form, high rep push-press. MHF is evident within the first .01 of a second of a bad push press."
- Coach Greg Glassman

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This page contains a single entry from the blog posted on September 20, 2007 7:37 AM.

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