Well, That Happened is a full-body workout with the emotional arc of an unexpected Tuesday. It starts with civilized standing work - reverse lunges, butt kicks in two speeds - then abruptly relocates to the floor for plank walk-outs, plank jump-ins, heel clicks and an all-fours hold. By the end you're on your hands and knees wondering how you got there, which is precisely the sensation the title is quoting.

The circuit runs without rest between exercises and is structured as a descent in two acts. Act one is upright: lunges load the legs unilaterally, then slow butt kicks and regular butt kicks run the same movement at two tempos - the slow version building control and range, the fast version converting it into cardio. Act two goes to ground, and the small rep counts are doing sneaky work: 2 plank walk-outs, 2 plank jump-ins and 2 heel clicks each involve a full journey between standing and plank, so what reads as "2 reps" is really a block of loaded transitions. The 10-count all-fours hold at the end is the quiet epilogue - a static finish for the core and shoulders while you process recent events.

Step reverse lunges back far enough that the front shin stays vertical. On slow butt kicks, make each heel-to-glute contact deliberate; on the fast set, keep the rhythm light and springy. Walk your hands out to a full plank one hand-length at a time without letting hips sway. On plank jump-ins, land with feet under your hips, not splayed wide. In the final hold, keep your back flat and press the floor away through your palms.

Well, that happened. And unlike most things that get that sentence, this one was good for you.

Make it Harder: Double the floor block - 4 plank walk-outs, 4 plank jump-ins, 4 heel clicks.

Make it Easier: Swap heel clicks for step-back plank walk-outs and take everything at a walking pace.