The condition means her brain is sinking into her spinal canal and her skull is sliding down onto her neck. She is facing a race against time raise money for pioneering surgery in Spain after being diagnosed with atlantoaxial instability (AAI). Melody Wakelin, 41, can barely walk and feels ''like a piece of furniture'' rather than a human.

A bodybuilder in peak fitness after losing 16 stone has been left bedbound by a condition which is seeing her slowly 'internally decapitated'.