Additionally, kicks towards the
top-right target had significantly greater muscle activity
than that towards the top-left. Among all the conditions
tested, kicking to the top-right corner of the goal demon-
strated the highest quadriceps EMG level than those
towards the rest corners. This result suggested that a top-right instep kick would be the most powerful kick for
accelerating the ball; therefore, using this kick in a game
would leave less time for goalkeepers to react
Again, like 2D motion analysis, EMG (even synchronized with 2D motion capture) could only divulge certain
aspects related to maximal instep soccer kick. Especially,
most of the previous studies focused on lower limbs’
movement and/or muscles’ activities during kicking, a holistic picture of the body control as well as the upper body
function remained still unknown to researchers and practitioners.