

Muscles worked
delts, trapezius, rhomboids
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dumbbell lying one arm deltoid rear
How to perform it
- 1
Lie face down on a flat bench with a dumbbell in one hand, palm facing inwards.
- 2
Extend your arm straight down towards the floor, keeping it close to your body.
- 3
Raise your arm up and back, squeezing your shoulder blade towards your spine.
- 4
Pause for a moment at the top, then slowly lower your arm back down to the starting position.
- 5
Repeat for the desired number of repetitions, then switch arms.






