Do you chamber your side kick by bringing your foot up or knee up? Foot up: bring your foot up and keep it next to your leg, with your heel right next to your knee or thigh. Knee up: bring your knee up to your chest, so your heel is in front of your hips. I tend to chamber foot up, but I've seen people chamber knee up. I chamber foot up because it keeps everything along a single axis. Which do you do, and why do you do it that way instead of the other?