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Fixed Dynamometry
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Supplemental: Amyotrophic Lateral Sclerosis (ALS)
Short Description of Instrument

Fixed dynamometry testing permits stronger extremities, which may exceed 200 lbs, to be assessed without compromise.


The recommended unit of measurement is Kg in order avoid interpretation issues. Measurements are generally rounded to the nearest Kg.

Andres PL, et al. Quantitative motor assessment in amyotrophic lateral sclerosis. Neurology 1986;36:937-941.
Muscle Study Group. Randomized pilot trial of betaINF1a in patients with IBM. Neurology 2001; 57:1566-1570.
Muscle Study Group. Randomized pilot trial of high-dose beta INF1a in patients with IBM Neurology 2004; 63:718-720.
Personius, K.E.; Pandya ,S.; King, W.M.; et al (1994). Facioscapulohumeral Dystrophy Natural History Study: Standardization of Testing Procedures and Reliability of Measurements, Physical Therapy, Vol 74, pp 253-263.


Document last updated July 2018