
The spider curl isolates the biceps, with the chest supported on an incline bench.
Lie face down on an incline bench with your arms hanging vertically, a dumbbell in each hand.
Bend your elbows to curl the dumbbells toward your shoulders without moving your elbows forward, then lower slowly.
Your arms remain vertical: only your forearms move.
Image and text: Bryl Lim / Everkinetic — recoloré et rastérisé — CC BY-SA 4.0, via Workout Guide. Original entry