Biceps
Forearms
Watch Tutorial
https://www.youtube.com/shorts/iui51E31sX8
https://www.youtube.com/shorts/cYXQYL-bfA4
https://www.youtube.com/shorts/xkLo-Z6Yj7E
https://www.youtube.com/shorts/Hz5IsHkgdPI
https://www.youtube.com/shorts/6TIEHIpXpys
Sit preacher bench.
Rest back upper arms on pad.
Hold DB each hand underhand.
Start arms extended.
Curl DBs up.
Keep upper arms on pad.
Squeeze biceps.
Lower slowly.
Repeat.