Performing the: A Step-by-Step Tutorial Dumbbell Incline One Arm Hammer Press
With a dumbbell in one hand, raise your arm until it is fully extended above you, keeping your palm facing inward in a hammer grip (thumb up).
Slowly lower the dumbbell towards your shoulder, bending your elbow and keeping the rest of your body still, until your arm forms a 90-degree angle.
Push the dumbbell back up to the starting position, fully extending your arm but not locking your elbow, while exhaling and engaging your chest muscles.
Repeat the movement for your desired amount of repetitions, then switch to the other arm and repeat the process.