אימונים Hip joint ROM improvements using 3 different interventions.

[Mike Bikov]

J Strength Cond Res. 2012 Feb 15. [Epub ahead of print]
Hip joint ROM improvements using 3 different interventions.
Moreside JM, McGill SM.
Source

1Post-doctoral fellow, Dalhousie University, Halifax, NS, Canada; 2Professor of Spine Biomechanics, University of Waterloo, Waterloo, ON, Canada.
Abstract

The purpose of this study was to analyze the effect of 3 different exercise interventions plus a control group on passive hip range of motion (ROM). Previous research studies into methods of improving passive hip mobility have focused on stretching protocols aimed specifically at the hip joint. The effect of core stabilization, motor training and myofascial stretching techniques on hip mobility in a selected asymptomatic group with limited hip mobility is unclear. In this study, twenty-four young men with limited hip mobility (< 50 percentile) were randomly assigned to 4 groups: stretching, stretching with motor control exercises for the hip and trunk, core endurance with motor control exercises, and a control group. Six week home exercise programs were individually prescribed based on assigned group, hip ROM, movement patterns and timed core endurance. Two way ANOVAs were conducted to analyze the effect of group assignment on hip ROM improvements. Both stretching groups demonstrated significant improvements in hip ROM (p < 0.05) attaining hip mobility levels at or above the 75th percentile, with rotation improving as much as 56%. The group receiving core endurance and motor control exercises with no stretching also demonstrated a moderate increase in ROM, but only significantly so in rotation. Average core endurance holding times improved 38 - 53%. These results indicate that stretches aimed at the myofascial components of the upper body, in addition to the hip joint, resulted in dramatic increases in hip ROM in a group of young males with limited hip mobility. Hip ROM also improved in the group that did no active stretching, highlighting the potential role of including stabilization or "proximal stiffening training" when rehabilitating the extremities.​

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