@misc{indiciaecee7edf8d03c, title = {Constant vs variable resistance knee extension training.}, author = {R J Manning and J E Graves and D M Carpenter and S H Leggett and M L Pollock}, year = {1990}, url = {https://pubmed.ncbi.nlm.nih.gov/2381309/}, note = {Source identifier: 2381309} }