Details:
Twitch streamer Melina Goransson doesn't have the biggest biceps, but she can be pretty good for this:
Search for "Epic Mixed Armwrestling Match Neither Wants To Lose" on youtube
https://www.girlswithmuscle.com/1745571/
https://www.girlswithmuscle.com/1751442/
https://www.girlswithmuscle.com/1314087/
Nice biceps closeup of Rayanne (rayp.m27) for this:
Quivering while ab flexing?