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Table 3 Results of electromyographic examination, maximal amplitude for the HA and TA group and the non-affected extremity

From: Gait patterns after intraarticular treatment of patients with osteoarthritis of the Knee - Hyaluronan versus triamcinolone: a prospective, randomized, doubleblind, monocentric study

      Affected Extremity         Non-affected Extremity    
EMG Max [μV] Visit   HA-Group   Significance TA-Goup Significance HA-Group Significance   TA-Group Significance
  1 2   1 2    1 2    1 2   
  Mean SD Mean SD p-value Mean SD Mean SD p-value Mean SD Mean SD p-value Mean SD Mean SD p-value
Rectus femoris 23.7 10.8 23.3 11.9 0.6476 26.3 18.3 25.3 18.9 0.7897 25.2 11.8 25.5 9.3 0.9772 27.2 21.3 24.4 14.9 0.5850
Vastus medialis 24.2 11.5 24.0 16.4 0.7533 28.5 19.4 28.0 21.1 0.5172 25.5 10.5 26.6 14.5 0.9772 31.6 21.9 31.4 22.8 0.6385
Vastus lateralis 40.1 24.8 30.2 23.2 0.0163 46.5 33.0 41.0 27.8 0.1442 34.2 14.9 37.3 20.6 0.3758 43.0 26.1 42.1 23.1 0.6567
Semitendinosus 42.6 24.4 43.1 21.9 0.6892 41.8 19.2 43.8 25.7 0.8390 52.1 26.6 52.1 23.4 0.6272 47.4 28.5 49.1 24.3 0.4849
Biceps femoris 45.8 30.0 48.1 31.3 0.4929 42.4 26.1 40.9 23.5 0.7127 54.8 34.1 48.6 23.8 0.2531 41.5 21.8 44.3 24.6 0.5172
Tibialis anterior 98.3 51.9 87.6 39.5 0.2414 85.1 45.0 93.6 47.2 0.0962 96.6 32.7 96.7 31.8 0.9090 87.0 46.9 103.4 61.2 0.1909
Gastrocnemius medialis 31.6 15.5 35.4 27.5 0.9317 32.1 18.2 31.7 16.2 0.8192 34.4 15.9 43.4 20.2 0.0164 38.1 18.7 42.8 21.8 0.1183