
assisted chest dip (kneeling)
PectoralsLeverage machine

Step 1: Sit on an exercise ball with a dumbbell in one hand and your feet flat on the ground.
Step 2: Walk your feet forward, rolling the ball until your upper back is supported on the ball and your head, neck, and shoulders are off the ball.
Step 3: Extend your arm with the dumbbell straight up above your chest, palm facing inward.
Step 4: Slowly lower the dumbbell out to the side, keeping a slight bend in your elbow.
Step 5: Pause for a moment when your arm is parallel to the ground.
Step 6: Engage your chest muscles to bring the dumbbell back up to the starting position.
Step 7: Repeat for the desired number of repetitions, then switch arms.