I'm a personal trainer, and this one-minute shoulder exercise is the hack I use to unlock mobility and reduce stiffness

The back of a woman lifting light dumbbells in a shoulder press move.

Members of the stiff shoulder gang, raise your hands (if you can). I’m right there with you, but I'm also a personal trainer, so I can share with you a hack that really works.

Loosen your shoulders, reduce stiffness, and boost your range of motion with this simple, beginner-friendly exercise.