Extend your right arm out to the side. Use your left hand to press your knee down to the floor to obtain a deeper stretch. Hold for about 30 seconds. Repeat on the other side. Stand with your feet ...

squeeze the triceps to extend the arms straight out behind you. Pause, then bring your arms back to the starting position. Sit or stand with your back straight. Hold one dumbbell with both hands ...

If having toned, strong arms, like J.Lo, Brie Larson, or Natalie Portman, is one of your fitness goals, you’re not alone. And it's honestly pretty doable and easy to get started: You don't need ...