Young A.: Exercise physiology in geriatric practice, in Astrand PO, Grimby G (eds): Physical Activity in Health and Disease. Acta Med Scand1986;711(suppl):227-232.
4.
Danneskiold-Samsoe B., Kofod V., Munter J., et al: Muscle strength and functional capacity in 78-81-year-old men and women. Eur J Appl Physiol1984;52:310-314.
5.
Lundgren-Lindquist B., Aniansson A., Rundgren A.: Functional studies in 79-year-olds. Scand J Rehab Med1983;15:125-131.
6.
Aniansson A. , Gustafsson E.: Physical training in old men with special reference to quadriceps muscle strength and morphology. Clin Physiol1981;1:87-98.