Bone in my leg

Maddie was showing us how she can dance last night. She was having everyone clap while she danced what looked like clogging. Shes very good at that. When she finally tired out she plopped down in her chair and reached down and grabbed her leg and said "I got a bone in my leg". For those of you who do not understand that, Papa always says that when someone wants him to get up and do something but he doesnt feel like getting up.