1) DeLome, T. L. (1945) : Restration of muscle power by heavy-resistance exercises. J. Bone Joint Surg, 21, 645-667.
2) Gould, N., Donnermeyer, D., Pope, M, and Ashi-kaga, T. (1982) ; Transcutaneous muscle stimula-tion as a method to retard disuse atrophy. Clin Orthop, 164, 215-220.
3) Greenleaf, J. E., Bernauer, E. M., Ertl, A. C., Trowbridge, T. S, and Wade, C. E. (1989) : Work capacity during 30 days of bed rest with isotonic and isokinetic exercise training. J. Appl Physiol. 61, 1820-1826.
4) Halkjaer-Kristensen, J, and Ingemann-Hansen, T. (1985) : Wasting of the human quadriceps muscle after knee ligament injuries. Scand J. Rehab Med Suppl, 13, 5-37.