The test contraction requires about 15 percent of the maximal voluntary capacity for an average male subject . Further data analyses Descriptive statistics for all variables were expressed as group means and SD between individuals, unless otherwise stated. Respir Physiol 77: 203–214. 20. Sjøgaard G (1996) Potassium and fatigue: the pros and cons. Passive manual mobilisation may include soft-tissue mobilisation and oscillations with the aim of improving joint mobility and joint stability and of relieving pain. The subject did not receive any feed-back on performance.
Scand J Work Environ Health 29: 106–116. 16. Henning RA, Jacques P, Kissel GV, Sullivan AB, Alteras-Webb SM (1997) Frequent short rest breaks from computer work: effects on productivity and well-being at two field sites. Three measurements were collected from each of the left and right shoulders and averaged to give a PPT for each shoulder. Pressure pain threshold (PPT).PPT was determined over both trapezius muscles using a pressure algometer (Somedic Production AB, Sollentuna, Sweden) applied halfway between C7 and acromion.
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