Buy In: 2x10 cat/camel, bridges, back ext, pvc good mornings, side lying bridges. 5 max rep sets of jumping rope (go till you miss, double unders if you got 'em). Rest one minute between attempts. See if anyone can reset the top box score of 78 doubles.
Deadlifts (straight sets, ie the same load every time) 8 sets of 3 reps.