Hammer curls are just bicep curls in a position with your palms facing your thighs. It activates your bicep muscle slightly different. It is also a good alternative if a regular curl (with your arm externally rotated) bother you for any reason. This position is more stable for the shoulder and elbow joints. Great arm toner!
Related workouts
Pilates Fab 5 Ab Series
8 Minute Shoulder Series – Light Weights
Cabo Wabo Upper HIIT
Simple Upper Body
Standing Row with Resistance Band
3 Minute Standing Upper Body Stretch
5 Minute Plank Series on a Step
Bird Dog
No Push Ups Upper Body!