Precise Instruction and Consideration of the Vertical and Horizontal Force Component Increase Validity and Reliability of the 90:20 Isometric Posterior Chain Test
Dominic Michael Rasp, Florian Kurt Paternoster, Jan Kern, Ansgar Schwirtz
This study improves the 90:20 Isometric Posterior Chain Test by adding precise instructions and parameters, resulting in better validity and reliability for assessing hamstring strength.
PLoS ONE · Oct 28, 2024Peer-reviewedPhysiology