Form tips: Make sure your shoulder blades stay anchored the entire time, and engage your core so your torso doesn’t move or ...

Keep your elbows slightly in front of your shoulders and your wrists straight. Inhale deeply and engage your core. Press the weight straight up overhead, extending your arms fully. Exhale as you ...

Then, extend your elbows as you press your body away from your hands and back. 'This challenges the core a lot more,' says Bonney. One note: If you have limited shoulder mobility or a previous injury, ...