The Lunge & Recovery

The lunge is how you reach frontcourt and corner shots — an explosive big step onto a braced front leg — and it's BOTH the key reaching skill AND the highest-injury movement in badminton (it loads the knee, patellar tendon, and Achilles on the front leg). Doing it well is performance and safety: split-step, drive…

FilmableFilm this on your phone and TrueForm measures your body mechanics and tells you what to fix. You get angles, not a made-up score.