A strong back isn’t just about looks—it’s the key to better alignment, fewer injuries, and smoother movement in everyday life ...

About 80 percent of adults experience lower back pain at some point in their lifetimes, according to the National Institue of Neurological Disorders and Stroke. The double-edged sword? It's usually ...

Arm day, leg day, ab day—these are the familiar pillars of strength training. But what about lower back day? Our lower backs are often overlooked, yet they're a crucial part of fitness. Many of us ...

Prolonged desk work can lead to musculoskeletal problems ranging from annoying aches and pains to injuries. This month, we launched a six-part series showing you how to stretch and strengthen your ...

Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions.

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Why kettlebell deadlifts deserve a permanent spot in your exercise routine — from strength and posture to fat loss.

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...

Daily exercises to build muscle after 45, with expert coaching cues, to improve strength, balance, and muscle retention.