0
2
4
6
8
10
0
20
40
60
80
100
−2
−1
0
1
2
−2
−1
0
1
2
$\varphi$
$\varphi '$
$\tau + \varphi_{0}$
$1$
Hip path
Hips
Hoop
time (s)
$E_{1}$
$E_{2}$
Play
plotly-logomark