Table 2. Characteristic EMG activity values during back swing and forward swing phases as reported in the literature.
Iliopsoas 60-80% 2 65.1 – 100.9% 2
Rectus femoris 25-60% 2 47.8 – 51% 3 32.5 – 68.7% 2 78.6 – 85.5% 3 59.1 – 63.8%3
Vastus lateralis 0 – 40% 2 70% 1 ~64 – 102% 2 ~80% 1 ~80% 1
Vastus medialis 90% 1 33.1 – 40.8% 3 ~80% 1 66.9 – 70.4% 3 ~80% 1 55.4 – 70.8%3
Biceps femoris 15-25% 2 70% 1 38.9 – 50% 3 5.2 - 30% 2 <30% 1 39.8 – 40.1% 3 ~40% 1 53.6 – 54.1%3
Gluteus maximus 5-15% 2 65-70% 1 2.1 – 32.1% 2 <30% 1 ~80% 1
Semitendinosus 70% 1 30% 1 ~40% 1
Tibialis anterior 40% 1 30% 1 ~80% 1
De Proft et al. 1988
Dorge et al, 1999
Manolopoulos et al. 2006.