Serbian Calisthenics Team SbARTANS official channel . Representing Street Workout and Calisthenics. Tutorials how to start to train and fighting tutorials. Sbartans Req's : 1) 4 Full Extension entirely proper Muscle Ups 2) 15 Regular entirely proper Pull-Ups 3) 20 entirely proper DIPS 4) 30 pushups 5) 5 muscle ups