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- Title
PREDICTION OF ONE REPETITION MAXIMAL STRENGTH FROM A 5-10 REPETITION SUBMAXIMAL STRENGTH TEST IN COLLEGE-AGED FEMALES.
- Authors
Abadie, Ben R.; Wentworth, Mildred C.
- Abstract
The purpose of this investigation was to develop three regression equations to predict 1-RM chest press strength (CPS), shoulder press strength (SPS), and knee extension strength (KES) from a 5-10 RM CPS, SPS, and KES test in females 19-26 years of age. Thirty healthy adult females were tested for 1-RM and 5-10 RM strength. The order of testing was counterbalanced to minimize the effect of improved technique. Simple regression analysis produced the following equation to predict 1-RM CPS from submaximal CP testing: [1-RM (lb) = 7.24 + (1.05 SCP)]. The correlation between predicted and measured 1-RM CP was r=0.91. The SEE was 2.5 kg or 7.8% of measured 1-RM CPS. The mean and standard deviations for the measured 1-RM CPS and the predicted 1-RM CPS was 32.3±5.4 kg and 32.3±6.0 kg respectively. Regression analysis also produced the following equation to predict 1-RM SPS from submaximal SP testing: [1-RM (lb) =1.43 + (1.20 SPS)]. The correlation between predicted and measured 1-RM SPS was r=0.92. The SEE was 1.6 or 7.6% of the measured 1-RM SPS. The mean and standard deviations for the measured 1-RM SPS and the predicted 1-RM SPS were 21.4±4.0 kg and 21.4±±3.7 kg respectively. Regression analysis also produced the following equation to predict 1-RM KES from submaximal KE testing: [1-RM (lb) = 4.67 + (1.14 KES)]. The correlation between predicted and measured 1-RM KES was r=0.94. The SEE was 2.3 kg or 6.3% of measured 1-RM KES. The mean and standard deviations for the measured 1-RM KES and the predicted 1-RM KES were 38.5±7.6 kg and 38.4±6.8 kg respectively. The results of this study indicate that 1-RM CPS, SPS, and KES may be predicted with an acceptable degree of accuracy in untrained female subjects.
- Subjects
REGRESSION analysis; EXERCISE physiology; MUSCLE strength testing; MUSCLE contraction; WEIGHT lifting; MUSCULOSKELETAL system; ATHLETIC ability testing; PHYSIOLOGY
- Publication
Journal of Exercise Physiology Online, 2000, Vol 3, Issue 3, p1
- ISSN
1097-9751
- Publication type
Article