1
Stand with feet shoulder-width apart, arms at sides with palms facing forward, core engaged and posture upright
2
Keep elbows fixed at sides close to torso, ensure shoulders are relaxed and back slightly retracted for stability
3
Lower arms in a controlled manner by extending elbows fully while maintaining palms-forward orientation, resisting the weight throughout the descent
4
Curl arms upward by flexing elbows, bringing hands toward shoulders in a smooth arc while keeping elbows stationary, squeeze biceps at top of movement before returning to start