Results: The incidence of TD was 26.78%. The predilection site is the tongue, lip and mouth, jaw, upper limb, lower limb, facial expression muscle, neck shoulder buttocks in turn.

结果：TD发生率26.78%，好发部位依次为舌部、唇部和口周部、颌部、上肢、下肢、面部表情肌、颈、肩、臀。

youdao

For standing photos, belly in, buttocks tight, shoulders back, spine straight.

站立拍照时候，收腹，紧殿，肩往后张，站直。

youdao

The single biggest muscle in the human body is the gluteus maximus, or the buttocks.

人体中单块最大的肌肉是股大肌，也叫臀大肌。

youdao

Found in a grotto in the Pyrenean foothills of France in 1922, there is something cubist about her protuberant breasts, buttocks and stomach so much so that an intrigued Picasso kept two copies in his studio.

WSJ: Powerful Images From a 'Primitive' Age | Ice Age Art | British Museum | By Richard Holledge