Although many mainstream medical organizations such as the Mayo Clinic and the Cleveland Clinic consider inversion therapy to be a largely unproven alternative medical treatment, many people still ...

A Brazilian fitness fanatic was left paralysed from the neck down after falling on her head while attempting an ‘inverted’ sit-up at the gym. Marcelle Mancuso, 23, broke a vertebrae after she slipped ...

Core strength testing has come a long way from the straight-legged, twisting sit-ups used before World War II. We've moved on to bent-knee sit-ups, to crunches and now to the plank pose or hanging ...