To address the improper muscle firing and gluteus weakness, I introduced a couple exercises to activate the glutes.
A more advanced progression from the Clamshell is to use a wall and a straight leg:
I did not address any hip tightness with this player, but if tightness is an issue, here are a couple exercises:
IT Band Foam Roll
IT Band Stretch
Originally published in Hard2Guard Player Development Newsletter, Volume 4.
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