Golf tip 5. Armband drill

Many amateurs lose power at the top of their backswings as they allow their elbows to bend too much. This can destroy the force created by a good upper-body turn. To prevent your right elbow from bending, put an armband around it, as shown. Swing to the top of your backswing ten times to develop a feel for this position, then take the armband off and hit a series of shots. You should start to harness the power of a good turn. 

Andrew Jones, Top 25 golf coach