Today's challenge partners up two tough versions of plank. A tall: Shoulder Taps, and a low: Plank Jacks. 

Perform the first and then immediately transition into the 2nd. Thn take a break. 

Shoulder Taps 

Shoulder Taps 

Plank Jacks.  

Plank Jacks.  

Level 1:  

10 sec Shoulder Taps  : 10 sec Plank Jacks : 15 section rest x 3 Rounds. 

Level 2:  

20 sec: 20 sec :15 Rest x 3  

Level 3  

30:30:15 x 3

Level 4  

40:40:15 x 3

Level 5

50:50:15 x 3

Level 6: 

1 min: 1min : 15 x 3

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