[header] How to get wider shoulders [title] Try side laterals. [step] One good exercise for building up your shoulder muscles is the side lateral raise. Start out with light weights and move up to heavier ones as you gain strength. 
[substeps] To perform this exercise, hold some dumbbells in each of your hands and place your arms against the sides of your body. Then, raise the dumbbells up to they are parallel with your shoulders.