1. Length of the femur and the tibia;Anderson;Am. J. Dis. Child.,1948
2. Growth and prediction of growth in lower extremities;Anderson;Clin. Orthop.,1978
3. The step test. A simple method of measuring physical fitness for muscular work in young men;Brouha;Res. Quart.,1943
4. Validation of a bench stepping test for a cardiovascular fitness classification of emergency service personnel;Davis;J. Occ. Med.,1979
5. Fitness performance tests and their relationship to maximal oxygen intake;Drake;Can. Med. Assoc. J.,1968