"Jenni, we're worried it's not just her knee," Isaac said once they were out of earshot. "The pain fluctuations...her body shouldn't be reacting like this, that's why she's upset."<br/><br/>"We're trying to avoid just dosing her up on painkillers," Andre said. "This rig on my back was designed for a similar purpose but...I was younger than she is when it was designed."