Elbow extension supine (with weight) (Elbow extension strengthening, supine - with dumbbell)

Lie on your back with your arms by your side, and take a light weight in your weaker hand.
Lift your weaker arm so that it points directly upwards.
Ensure you have a secure grip on the weight.
Keeping your upper arm still, bend your elbow, lowering the weight toward your opposite shoulder.
Straighten your elbow again to point your arm upwards.
Aim to keep your shoulder still throughout the exercise.