When you begin lifting weights, it’s natural to want to see muscle gains right away. But the real magic happens during recovery. After you train, your muscles enter a rebuilding phase — repairing and ...

How do muscle cells grow after a workout? And how do your genetics affect your experience as a gymgoer? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

A. Fluorescent immunostaining of PDGFRα, showing mesenchymal progenitors, laminin surrounding skeletal muscle, and AR. Arrows indicate mesenchymal progenitors expressing AR, arrowheads indicate ...