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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Arch Phys Med Rehabil. 2013 Aug 23;94(12):10.1016/j.apmr.2013.07.026. doi: 10.1016/j.apmr.2013.07.026

Table 2.

Baseline Values of Neuromuscular Attributes

Impairment
Category
Variable N Mean or % SD Min Max
Strength Speed of movement Leg Strength (N/kg) 387 9.45 2.54 3.10 20.25
Limb Velocity (m/s) 381 1.00 0.25 0.23 1.92
Average Reaction Time (msec.) 430 248.7 51.5 172.1 648.4
Rapid Leg Coordination (sec.) 414 11.15 3.08 5.47 28.33
Range of motion Maximal Knee Flexion (degrees) 425 124.59 13.61 58.00 149.00
Maximum Knee Extension (degrees) 425 9.5 6.0 −4.0 25.0
Ankle Range 429
Intact 307 71.6%
Impaired 122 28.4%
Asymmetry (side to Side) Leg Strength Ratio 372 1.18 0.29 1.0 4.29
Leg Power Ratio Knee Flexion Difference (degrees) 421 3.19 3.04 0.0 51.0
Knee Extension Difference (degrees) 421 3.20 3.0 0.0 16.00
Trunk Stability Kyphosis 430 10.52 3.08 3.28 22.44
Trunk Extensor Muscle Endurance/ kg 405 1.30 0.88 0 3.43