1
Sit upright on a flat bench with feet flat on the floor, back against the bench or slightly off it, maintaining neutral spine alignment
2
Hold dumbbells at arm's length by your sides with palms facing forward (supinated grip), shoulders relaxed and retracted slightly back
3
Lower the dumbbells in a controlled manner by extending the elbows, allowing the weights to descend while keeping upper arms stationary and elbows close to the torso
4
Curl the dumbbells upward by flexing the elbows and contracting the biceps, bringing the weights toward shoulders while maintaining the supinated grip position, then return to starting position