Biceps
Forearms
Watch Tutorial
https://www.youtube.com/shorts/hqKjmdGAVcA
https://www.youtube.com/shorts/Cn_S3OKOWBc
https://www.youtube.com/shorts/cHxRJdSVIkA
https://www.youtube.com/shorts/1pFJxtyd4t4
https://www.youtube.com/shorts/vLJt4RAyGEw
https://www.youtube.com/shorts/kD5GFsoaXqY
https://www.youtube.com/shorts/Zf8iG3kk2mo
https://www.youtube.com/shorts/GAg-b6EGcIA
Sit bench, legs spread.
Hold bar close underhand grip.
Lean forward, brace back upper arms on inner thighs.
Arms extended down.
Curl bar up towards shoulders.
Keep upper arms still.
Squeeze biceps.
Lower slowly.
Repeat.