References
- Larsson L, Grimby G, Karlsson J. Muscle strength and speed of movement in relation to age and muscle morphology. J Appl Physiol 1979; 46: 451–456
- Potwin A R., Syndulko K, Tourtellotte W W., Lemmon J A., Potwin J H. Human neurologic function and the ageing process. Am Ger Soc 1980; 28: 1
- Rinder L, Roupe S, Steen B, Svanborg A. 70-year-old people in Gothenburg. A population study in an industrialized Swedish city. A general presentation of social and medical conditions. Acta Med Scand 1975; 198: 397–407
- Lundgren-Lindquist B, Aniansson A, Rundgren Å. Walking Performance and climbing capacity. Scand J Rehabil Med 1983; 15: 125–131
- Borg G. Perceived exertion as an indicator of somatic stress. Scand J Rehabil Med 1970; 2-3: 92
- Lundgren-Lindquist B, Sperling L. Functional studies in 79-year olds. II. Upper extremity function. Scand J Rehabil Med 1983; 15: 117–123
- Lundgren-Lindquist B, Grimby G, Landahl S. Functional studies in 79-year olds. 1. Performance in Hygiene Activities. Scand J Rehabil Med 1983; 15: 109–115