A bizarre exercise trend has been growing in popularity in China. Fitness enthusiasts hang from improvised traction devices attached to high bars at parks and swing their bodies back and forth. Sun Rongchun, a resident of the city of Shenyang in Liaoning Province, does this exercise each day at a local sports complex. After two years of practice, he's encouraging others to join in. Practitioners of this unusual exercise say it has cured their neck and back pain. [Photo: IC]"

A bizarre exercise trend has been growing in popularity in China. Fitness enthusiasts hang from improvised traction devices attached to high bars at parks and swing their bodies back and forth. Sun Rongchun, a resident of the city of Shenyang in Liaoning Province, does this exercise each day at a local sports complex. After two years of practice, he's encouraging others to join in. Practitioners of this unusual exercise say it has cured their neck and back pain. [Photo: IC]"

A bizarre exercise trend has been growing in popularity in China. Fitness enthusiasts hang from improvised traction devices attached to high bars at parks and swing their bodies back and forth. Sun Rongchun, a resident of the city of Shenyang in Liaoning Province, does this exercise each day at a local sports complex. After two years of practice, he's encouraging others to join in. Practitioners of this unusual exercise say it has cured their neck and back pain. [Photo: IC]"

A bizarre exercise trend has been growing in popularity in China. Fitness enthusiasts hang from improvised traction devices attached to high bars at parks and swing their bodies back and forth. Sun Rongchun, a resident of the city of Shenyang in Liaoning Province, does this exercise each day at a local sports complex. After two years of practice, he's encouraging others to join in. Practitioners of this unusual exercise say it has cured their neck and back pain. [Photo: IC]"