Table 2.

The motion model for two-handed ball throwing.

State	Description	Label
$m_s^1$	Ready	${\mathrm{L}}_{\mathrm{T}}^1$
$m_p^1$	Brining two hands behind	${\mathrm{L}}_{\mathrm{T}}^2$
$m_e^1$ or $m_s^2$	Two hands behind of a head	${\mathrm{L}}_{\mathrm{T}}^3$
$m_p^2$	Arms foward	${\mathrm{L}}_{\mathrm{T}}^4$
$m_e^2$ or $m_s^3$	Maximum arm stretch	${\mathrm{L}}_{\mathrm{T}}^5$
$m_p^3$	Follow-through	${\mathrm{L}}_{\mathrm{T}}^6$
$m_e^3$	End of throwing	${\mathrm{L}}_{\mathrm{T}}^7$