1. Agre JC, Pierce LE, Raab DM, McAdams MS, Smith EL (1988) Light resistance and stretching exercise in elderly women: effect upon strength. Arch Phys Med Rehabil 69:273?276
2. Alnaqeeb MA, Goldspink G (1987) Changes in fibre type, number and diameter in developing and ageing skeletal muscle. J Anat 153:31?45
3. Aloia JF (1981) Exercise and skeletal health. J Am Geriatr Soc 29:104?107
4. Aloia JF, Cohn SH, Ostuni JA, Cane R, Ellis K (1978) Prevention of involutional bone loss by exercise. Ann Intern Med 89:356?358
5. Aniansson A, Zeitterberg C, Hedberg M, Henriksson K (1984) Impaired muscle function with ageing. Clin Orthop Rel Res 191:193?210