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.