References
- Paty DW, Ebers GC. Clinical features. In: Paty DW, Ebers GC, editors. Multiple Sclerosis. Philadelphia: F.A. Davis Company, 1998. pp. 135–191.
- Debouverie M, Laforest L, Van Ganse E, Guillemin F. Earlier disability of the patients followed in Multiple Sclerosis centers compared to outpatients. Multiple Scler 2009;15:251–257.
- Fay BT, Boninger ML, Fitzgerald SG, Souza AL, Cooper RA, Koontz AM. Manual wheelchair pushrim dynamics in people with multiple sclerosis. Arch Phys Med Rehabil 2004;85:935–942.
- Yang Y, Koontz AM, Triolo RJ, Mercer JL, Boninger ML. Surface electromyography activity of trunk muscles during wheelchair propulsion. Clin Biomech 2006;21:1032–1041.
- Lanzetta D, Cattaneo D, Pellegatta D, Cardini R. Trunk control in unstable sitting posture during functional activities in health subjects and patients with multiple sclerosis. Arch Phys Med Rehabil 2004;85:279–283.
- Boninger Ml, Souze AL, Cooper RA, Fitzgerald SG, Koontz AM, Fay BT. Propulsion patterns and pushrim biomechanics in manual wheelchair propulsion. Arch Phys Med Rehabil 2002;83:718–723.
- Veeger HE, van der Woude LH, Rozendal RH. Wheelchair propulsion technique at different speeds. Scand J Rehabil Med 1989;21:197–203.
- Shimada SD, Robertson RN, Boninger ML, Cooper RA. Kinematic characterization of wheelchair propulsion. J Rehabil Res Dev 1998 ; 35:210–218.
- McDonald WI, Compston A, Edan G, et al Recommended diagnostic criteria for multiple sclerosis: guidelines from the International Panel on the diagnosis of multiple sclerosis. Ann Neurol 2001;50:121–127.
- Kurtzke JF. Rating neurologic impairment in multiple sclerosis: an expanded disability status scale (EDSS). Neurology 1983;33:1444–1452.
- Van der Werf SP, Jongen PJ, Lycklama à Nijeholt GJ, Barkhof F, Hommes OR, Bleijenberg G. Fatigue in multiple sclerosis: interrelations between fatigue complaints, cerebral MRI abnormalities and neurological disability. J Neurol Sci 2009;160:164–170.