CROSSFIT SUFFOLK *** Forging Elite Fitness
Double unders 42-30-18x reps
KB swings (53#/36#) 21-15-9x reps
If you cannot perform the double under then triple the double under reps in singles: 126–90–54 jump rope singles.
Pulling Together Increases Pain Threshold "Lead author Dr Emma Cohen, from the Institute of Cognitive and Evolutionary Anthropology, said: ‘The results suggest that endorphin release is significantly greater in group training than in individual training even when power output, or physical exertion, remains constant."
Another reason to CrossFit with a group instead of by yourself!