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Table 2 sEMG calibration contractions

From: Trapezius activity of fibromyalgia patients is enhanced in stressful situations, but is similar to healthy controls in a quiet naturalistic setting: a case-control study

 

FM patients

Controls

pa

Force (N)

   

Shoulder abduction

101 (37), 41-206

116 (21), 61-148

0.08

Elbow flexion

110 (29), 39-167

136 (27), 91-201

0.002

sEMGmax (μV)

   

Clavicular trapezius

337 (189), 94-711

534 (203), 208-879

0.002

Acromial trapezius

276 (163), 87-615

501 (298), 119-1257

0.003

Middle deltoid

217 (96), 93-358

315 (105), 133-549

0.01

Biceps brachii

177 (81), 54-365

259 (131), 67-564

0.01

  1. Maximal force and sEMGmax during isometric maximal voluntary contractions (i.e., shoulder abduction and elbow flexion) for fibromyalgia (FM) patients and healthy controls.
  2. Values are mean (SD), range.
  3. aIndependent samples t-test.