BEIJING, July 16 (Xinhua) -- Shisuo (stone lock), a stone dumbbell in the form of ancient padlock, is usually seen in the traditional Chinese workout routine.

An exquisitely-carved Shisuo (Xinhua/Yang Lei)
With hundreds of workout moves, Shisuo exercise can not only enhance strength, but also help people to coordinate hands, eyes and the body.

Shisuo lover Liu Ziyuan practices Shisuo techniques.(Xinhua/Yang Lei)

Shisuo lover Sun Bin practices Shisuo skills.(Xinhua/Yang Lei)
Shisuo dates back to the Tang Dynasty in which soldiers first used it to build their bodies.

A man lifts a "Zizi", a kind of stone.(Xinhua/Yang Lei)

Liu Liangjin, 75, practices Shisuo skills.(Xinhua/Yang Lei)
The Shisuo exercise has a long history in Nanjing, east China's Jiangsu Province.

A group of Shisuo lovers practice in Nanjing.(Xinhua/Yang Lei)

Sun Yuping (C), 78, performs Shisuo skills in Nanjing.(Xinhua/Yang Lei)
Endearing itself to the public in recent years, Shisuo becomes a national fitness activity. Nearly 20 Shisuo teams are formed for regular activities and competitions.

Members of Tianyin Shisuo Association practice Shisuo exercise.(Xinhua/Yang Lei)


