Renee is good at juggling because she is ambidextrous. what does the word ambidextrous mean in the sentence above? well balanced extremely flexible double jointed able to use both hands

In this case, ambidextrous means able to use both hands.

The sentence's author refers to Renee's ambidexterity to imply that Renee's ability  to use both hands allow her to juggle well with said both hands. 

Can you insert a picture?