How to pronounce 後腳 in Cantonese (4 out of 7):

重心前移 後腳保持伸直 至小腿肌肉拉扯
The focus is on the front and back of the leg, and the leg muscles are stretched.

Cantonese Sentence Breakdown

重心 cung4 sam1
center of gravity
cin4
front
forward
ahead
first
top (followed by a number)
future
ago
before
BC (e.g. 前293年)
former
formerly
advance
yi4
move
後腳 hau6 goek3
noun; the rear foot, normally, it describes one person after another one; (immediately) after
保持 bou2 ci4
maintain
san1
to stretch
to extend
to open up
to report
a surname
直至 zik6 zi3
Until
小腿 siu2 teoi2
calf
肌肉 gei1 juk6
(adjective) muscular
拉扯 laai1 ce2
(verb) Argue with pulling and pushing