10 Arm-Sculpting Dumbbell Exercises to Build Muscle

Muscles bicep-and-deltoid squeeze works: biceps and deltoids

• Sit cross-legged on the floor, and hold a dumbbell in each hand.
• Lift up your arms, extend them out wide, and bend your elbows at 90-degree angles with your palms facing forward. Keep your shoulders relaxed down and your wrists in line with your elbows. This is the starting position.
• Rotate your arms so your elbows are moving to meet each other in front of you. They should be perpendicular to your shoulders.
• Keep your muscles engaged, and move your arms back to the starting position.
• This is one rep.