She felt the back of her legs come up against a bed.
I have a big mark down the back of my leg.
There was blood on the back of the boy's legs.
It hit me on the back of my right leg.
The back of his legs came against a small chair.
Eventually, he asked to see the back of her legs.
Instead, faint pressure at the back of his left leg.
I could feel sweat running around the back of my legs and neck.
I could feel their hot breath on the backs of my legs.
A doctor ordered that the third hundred was given across the back of his legs.