As many rounds as possible of:
10 leg lifts over an objects
10 knees to elbows (scale to candlesticks)
Then Odd or Even Tic Tac Toe
This game is played with the same objective as Tic Tac Toe.
One player is Even. So they get 0,2,4,6,8
One player is Odd. So they get 1,3,5,7,9
Players alternate turns placing numbers in the squares to get a sum of 13. You may get a sum of 13 horizontally, vertically or diagonally and you may use the same number more than once.