Marjie Gilliam is an International Sports Sciences Master certified personal trainer and fitness consultant. She owns Custom Fitness Personal Training Services LLC. Send email to marjie@ohtrainer.com.

Overhead presses, lateral raises, and other movements target the deltoid muscle to improve shoulder stability, increase strength, and build muscle mass.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images If your goal is building a bigger back to fill out your t-shirt, then the ...