A Comparison of Landing Styles in Men’s and Women’s Division III Volleyball Players Using the Landing Error Scoring System, Gluteus Medius Strength, Navicular Drop Test, and Hip Flexor Tightness

Kedryn Orrison

Abstract


Previous research has shown that noncontact anterior cruciate ligament (ACL) injuries can occur as a result of jumping tasks due to the biomechanical errors in landing position, and various anatomic factors. The current study attempts to determine if there is a correlation between the Landing Error Scoring System (LESS), a test used to evaluate landing mechanics and selected measures of lower extremity kinetics and kinematics in collegiate volleyball players. The kinetic and kinematic measures being studied are gluteus medius muscle strength, FISS line/navicular drop test, and the Thomas test for hip flexor tightness. Results found that in women, right gluteus medius strength (0.20), and hip flexor tightness at the knee (0.21) best predict a higher LESS score. In males, total positive categories (0.55), and gluteus medius strength (Right 0.47; Left 0.31) best predict a higher LESS score.  These results can be useful in designing effective jump training injury prevention programs.

Keywords


Landing Error Scoring System; Navicular Drop; Gluteus Medius Strength; Hip Flexor Tightness

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