Biceps
Forearms
Watch Tutorial
https://www.youtube.com/shorts/E7fjMgDqMp8
https://www.youtube.com/shorts/xNSTInsNniE
Lie prone on incline bench, chest supported.
Hold bar underhand grip, shoulder-width.
Arms hang straight down.
Keep upper arms stationary.
Curl bar up towards shoulders.
Squeeze biceps.
Lower slowly.
Repeat.