Lateral, medial, or side deltoid — responsible for abduction (lifting your arm laterally away from your body). Posterior or rear deltoid — responsible for shoulder extension. Your deltoids ...

Physiologist Dr. Mike Israetel offered his top five exercises for delt gains, revealing tips and insights to help you achieve ...

“It’s really important to strengthen the rear delt, as this attaches to the spine of the scapula [a bone at the top of your shoulder blade] and encourages your shoulders to pull backwards.

In her Instagram post, Sascha highlights the importance of working all three heads of the deltoid: front, lateral (or middle), and rear, for a complete and harmonious development. The importance ...