If there’s one thing to know about me, it’s that I am a huge proponent of barre. This low-impact modality—created by a ballerina and a mix between Pilates, yoga, and strength training—is one sure-fire ...

Hop into any barre class and your muscles will quickly start to feel it: As you pulse to the beat of the booming playlist, it’s pretty darn common to get “the shakes,” where your body starts trembling ...