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Table 2 Mean (standard deviation) amplitude of individual muscle demands during the four exercises

From: Does pain relate with activation of quadriceps and hamstrings muscles during strengthening exercise in people with knee osteoarthritis?

 

Biceps femorisa

Semitendinosusb

Rectus femoris

Vastus lateralisc

Vastus medialisc

Legs-together squat

12.1 (7.3)

10.0 (6.5)

18.9 (9.6)

29.0 (12.4)

21.4 (13.0)

Wide-legged squat

11.3 (6.5)

10.1 (6.6)

18.3 (9.5)

25.8 (13.1)

22.7 (12.4)

Lunge (leading leg)

13.4 (7.6)

10.4 (6.7)

14.7 (7.9)

21.8 (11.7)

18.8 (10.5)

Lunge (trailing leg)

11.7 (7.1)

9.9 (6.6)

14.4 (7.1)

17.3 (9.2)

16.3 (9.3)

  1. Note that for the vastus lateralis muscle only the Wide-legged squat had a missing case
  2. aMissing cases n = 2
  3. bMissing cases n = 4
  4. cMissing cases n = 1
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