FINDING · 01/08
Limited hip mobility
The practitioner's hip cannot open into external rotation with the amplitude the eagle stance demands. When Pablo López tries to reach the position without skates, the joint aperture exists, but it does not hold: the rotation leans on compensations of the foot and the torso instead of arising from the head of the femur. Without this active mobility from the hip, the gesture degrades the moment the weight and friction of the skates are added.
Why does it happen?
In male bodies external hip rotation is usually an under-trained capacity for morphological reasons and reasons of everyday use. The head of the femur needs strong and flexible rotator muscles around it — glutes, deep external rotators, adductors — and a pelvis capable of staying neutral while the femur rotates. When those muscles are not integrated into the gesture, the knee and ankle try to cover the missing range, and the apparent rotation ends up being a turn of the foot, not of the hip.
How was it detected?
During the initial assessment, Carolina Miranda asked the practitioner to isolate the rotation of the foot with a resistance band blocking the knee, and observed that the movement was arising from the hip before it did from the ankle. Later, with Pablo López in the eagle stance without skates, the coach pointed out that the joint aperture was there but the strength to hold it was not coming solely from the ankle — it was also coming from the hip. Both exercises confirmed that the limitation lay in the active availability of the hip, not in the passive range.
Implications
Without active hip mobility it is not possible to hold the angle of the eagle long enough to travel on skates. The training plan had to place a full month of work without skates first, centered on hip rotations, flexions and extensions with resistance band and ankle weights, before attempting the gesture on wheels again. It also required redefining what mobility means: it is not enough to reach the position — you have to produce it and hold it from the correct muscle.
Related
- Concept:External rotation
- Concept:Compás
- Concept:Psoas
- Exercise:Open compás with external rotation and knee flexion
- Exercise:Psoas flexion and leg adduction
- Exercise:External rotation with flexion, extension and push
- Exercise:Hip opening seated on the sit bones
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