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S0 at 1:43 in this video he says "... with the toes turned out..".
I've been playing around with foot stance, and found that a slight V shape improves .... something in the lift itself. But at the same time I feel that something iffy happens in my knees when my thighs are not parallel. Seems I am looking for a goldilocks position of sorts. Can someone help me dial in this in?
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If it is squatting- definitive guide
https://www.strongerbyscience.com/how-to-squat/
Foot angle is covered.
As, as per my usual rant, check out Mark Rippetoe’s book - Starting Strength.
Purely as a counterpoint to the Rippetoe-focused discourse lately, here's
a back squat tutorial from an Olympic gold medalist.
I personally find myself somewhere in the middle, but just thought I'd throw it out there to show the complete other end of the spectrum. There's certainly no dogmatically 'perfect' squat - it all depends on bodytype and the purpose you're squatting for.