Stephanie Main, NASM-CPT, CF-L2, 500-Hour YT

Hey, you — stop texting! OK, now use these four moves to mobilize your wrists, improve lifting performance and undo the negative effects of technology.

Plus four stretches that will improve mobility and enable you to master this squat challenge.

Tabata is not just for high-intensity interval training — this routine uses it to mobilize and elongate.

Use this mobility sequence to improve form, strength and performance.

Use these five simple stretches to improve digestion.

Use these five mobilizing moves to decrease pain, improve performance and prevent injury.

Can’t squat ass to grass? Deadlifting strength stalled? The problem could lie below — way below.