A simple rotation of the sandbag (or kettlebell, if no sandbag is available) while descending into a reverse lunge will challenge your strength and core stability in the transverse plane.
When you add in the power of a swing, what you wind up with is a really cool explosive movement – the swing requires decelerating the implement at the bottom of the movement before you explode from the lead leg into hip and knee extension.
Last week in Part I the coaches talked about stretching myths and how flexibility affects muscle size and strength. This week they'll delve even deeper into the subject, so warm up your brain, do some dynamic stretches for the frontal lobe, and dig in