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Grip and Body Strength Measures in the Mature Adult: A Brief Report

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Abstract (2. Language): 
Many in the exercise and sport medicine discipline believe a complete physical fitness assessment including measures of muscular strength should be part of an adult’s annual medical exam. Conducting a complete fitness test including measures of muscular strength is not practical in the current medical exam paradigm. In this regard, a simple field test that could reflect body strength measures would be of value. Purpose: This study examined the relationship between grip strength and selected body strength measures in the older adult. Methods: Female (n=12, age=71.2±3.8 years, mass=66.3±9.2 kg) and male (n=16, age=72.9±4.7 years, mass=85.5±9.4 kg) participants completed 1 RM tests with the leg press (LP), biceps curl (BC), triceps extension (TE), lat pull down (LPD), and machine bench press (BP). An aggregate strength score was also calculated as the sum of the individual 1 RM tests and was considered a total body strength score (TS). Likewise, all participants performed maximal hand grip (MG) attempts with the Jamar hand grip dynamometer. Pearson correlation coefficients (PCC) were then calculated in order to determine the relationship between dominant hand MG and the 1 RM results. Results: PCC’s were as follows: MG-LP (r=0.61), MG-BC (r=0.85), MG-TE (r=0.80), MG-LPD (r=0.87), MG-BP (r=0.77), and MG-TS (r=0.83). All PCC’s were significant at P<0.01. Conclusions: Within the parameters of this study, grip strength is strongly reflective of total body strength and may be beneficial to clinicians interested in assessing strength as part on an annual medical exam.
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Mark DeBeliso, PhD is a Professor and Graduate Program Director of the Masters of Science in Sport Conditioning and Performance at Southern Utah University, Utah, USA. His research interests include mechanics and metabolics of sport movements and work tasks, strength training for all walks of life, orthopedic biomechanics, and masters athletes.
Mikaela Boham, EdD is an Assistant Professor and Director of the Athletic Training Program at Texas A&M University Corpus Christi, Texas, USA. Her research interests include sports injuries and traumatic brain injuries in sports.
Carol Carson, MS is the Director of Nursing at the Rehabilitation Hospital of Southern New Mexico, Las Cruces, New Mexico, USA. She also serves as an Adjunct Lecturer for New Mexico State University with research interests in strength and rehabilitation.

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