Browsing: Fitness

Resistance exercise (RE) improves strength and muscle mass, with multiple benefits for human health. However, intense RE also induces acute myofibrillar damage. The molecular mechanisms that preserve, mark, degrade, and restore damaged proteins to keep skeletal muscle working under RE are incompletely understood. Based on repeated sampling of human skeletal muscle, we show here that…

Meredith DietzMeredith DietzSenior Staff Writer ExperienceMeredith is a marathon runner and stand-up comedian. As Lifehacker’s Senior Staff Writer, she covers personal fitness tech, home gym equipment, and more. Areas of ExpertiseHealthFitnessTraining Diaries Read Full Bio July 28, 2026 Add as a preferred source on Google Add as a preferred source on GoogleWe may earn a…

A participant runs along the course during the Avocado 5K at McConnell Air Force Base, Kansas, July 27, 2026. The race encouraged members of Team McConnell to maintain physical fitness while fostering community. (U.S. Air Force photo by Airman Matthew Nguyen)

Jayla Hang is no stranger to the national spotlight. A five-time U.S. national team member and the 2025 Pan American all-around champion, the Kirkland, Washington, native has built her résumé by thriving in high-pressure moments on the national stage