Hi Brooke,
I'm glad you enjoyed the class!
As far as the supination, having the weight to the outside edge of the feet prevents pronation, rolling the knees inward and lifts the arches of the feet. The knees can potentially open wider promoting a deeper gluteal and outer thigh connection. As well as a sense of pulling up on the inner thighs as you lengthen and press the carriage back and then getting more range of motion on the way in by opening the legs wider.
It is a standard JL position in footwork...

Amaze! So well done!!!

This is now one of my favorites! I feel so strong and energized. Thank you!!

Awesome workout! I liked the pace as well, you fit a lot of exercises into a 40 minute class. Worked up a sweat!

Thank you very much Melissa! Great challenge. Loved your clarity and cuing. Kicked my butt!

This was a totally cool workout. I liked the pace and intensity of it. The time flew by!

loved it loved it!! well done Melissa :)

I love your cues Melissa and how efficiently you transition with the springs. I can tell you had a plan and I loved this class!

Thank you Melissa, this was an awesome workout. Love your teaching!

Oh my gosh, this was amazing. I'm dripping in sweat and it freezing in here. Loved it. More please!