Actor Daniel Radcliffe is undergoing osteopathy treatment after playing a hunchback left him with spinal troubles.

The 24-year-old is working on a new movie version of "Frankenstein", a film adaptation of Mary Shelley's novel "Frankenstein". He will be seen playing the doctor's hunchback assistant Igor, but he says the role has left him in agony, reports femalefirts.co.uk.

"I went from playing (the cripple) to playing a hunchback and the hunchback is much harder," Radcliffe told the London Evening Standard.

"I'm having lots of osteopathy - lots of bone-cracking sessions," he added.