ABSTRACT: TARGETED HIP EXTENSION EXERCISES ARE OFTEN PERFORMED TO DEVELOP STRENGTH, POWER, AND ENDURANCE IN THE HIP EXTENSORS. ALTHOUGH THESE EXERCISES CAN POSSESS SIMILAR MOVEMENT PATTERNS, BIOMECHANICALLY THE INSTANTANEOUS TORQUE AT DIFFERENT RANGES OF HIP EXTENSION VARIES DEPENDING ON BODY POSITION RELATIVE TO SPACE. FOR THESE REASONS, IT IS PROPOSED THAT: (A) HIP EXTENSION EXERCISES MIGHT TRANSFER BETTER TO SPORT ACTIONS WHERE THE REGION OF FORCE ACCENTUATION IS MOST SPECIFIC; (B) HIP EXTENSION EXERCISES MAY LEAD TO UNIQUE STRUCTURAL ADAPTATIONS; AND (C) A VARIETY OF EXERCISES MIGHT BE NECESSARY TO MAXIMIZE HIP EXTENSION STRENGTH AND POWER THROUGHOUT THE ENTIRE RANGE OF MOTION.
1Sports Performance Research Institute, Auckland University of Technology, Auckland, New Zealand;
2Department of Health Science, Program of Exercise Science, City University of New York, Lehman College, Bronx, New York; and
3Mechanical Engineering, Auckland University of Technology, Auckland, New Zealand
Conflicts of Interest and Source of Funding: The authors report no conflicts of interest and no source of funding.
Bret M. Contreras is currently pursuing his PhD in Sports Science at the AUT University in Auckland.
John B. Cronin is a professor in Strength and Conditioning at the AUT University and an adjunct professor at Edith Cowan University.
Brad J. Schoenfeld is a lecturer in the exercise science program at the City University of New York, Lehman College, and director of the Human Performance Lab.
Roy J. Nates is a senior lecturer in the School of Engineering at the AUT University.
Gul Tiryaki Sonmez is an associate professor in the Department of Health Science at the City University of New York, Lehman College and program director of their exercise science program.