Predicting performance on the NFL-225 bench press test using bar velocity

Author:

dos Santos Marcel Lopes1,Mann James Bryan2,Lockie Robert George3,Berton Ricardo4,Jacobson Bert Hans1,Dawes James Jay1

Affiliation:

1. School of Kinesiology, Applied Health, and Recreation, Oklahoma State University, Stillwater, OK, USA

2. Kinesiology and Sports Science Department, University of Miami, Coral Gables, FL, USA

3. Center for Sports Performance, Department of Kinesiology, California State University, Fullerton, Fullerton, CA, USA

4. School of Physical Education and Sport, University of São Paulo, São Paulo, SP, Brazil

Abstract

BACKGROUND: Bar velocity has been proved to accurately predict performance in several exercises. OBJECTIVE: To estimate the total number of repetitions during the NFL-225 Bench Press Test (NFL-225) based on bar velocity in collegiate football players. METHODS: Forty-six NCAA Division I football players performed as many bench press repetitions as possible with a standard load of 225 lbs. The variables used to estimate the total number of repetitions were: mean velocity of the fastest repetition achieved in the test (FR); mean velocity of the first repetition (V1); mean velocity of the first three repetitions (MV3); mean velocity of the first five repetitions (MV5); and mean velocity of the first 10 repetitions (MV10). Linear regression analyses were conducted to predict NFL-225 performance based on bar velocity. RESULTS: The prediction of the total number of repetitions was similar between the five mean velocities (FR: R2= 0.64, SEE = 3.87, V1: R2= 0.65, SEE = 3.80, MV3: R2= 0.70, SEE = 3.52, MV5: R2= 0.71, SEE = 3.48, and MV10: R2= 0.62, SEE = 3.37). CONCLUSION: The mean velocities allowed the production of general regression equations for the estimation of the total number of repetitions in the NFL-225. V1 and MV3 presented as the best options due to their accuracy, time-efficiency, and reduced musculoskeletal stress.

Publisher

IOS Press

Subject

Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine,Biophysics

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