Regarding the side to side lunges in the warmup, from what I've gathered, strength and flexibility combine to create mobility. Which should I be focusing on first? As in...I can get my legs into the appropriate position, but I don't have the strength to maintain an upright stance, so I lean forward (at the hips, keeping my back straight), and rest my hands on the ground to get a deep stretch. OR...I can keep my hips higher and feel the muscles in my thighs engaging, but there's absolutely ZERO s