自然站立 meaning in English

natural stance

Stack : the pose itself or the posing of the dog by a handler in its natural stance
[评判姿态：犬自然的姿势或是训犬人依据其自然站立（引导它）形成的姿势。
The collie is a lithe , strong , responsive , active dog , carrying no useless timber , standing naturally straight and firm
柯利犬是一种柔韧、结实、积极、活泼的品种，意味着他没有无价值的地方，自然站立时，整齐而稳固。
With the hand ok and apparent feeling arrives ( buttock channel upside slants a side ) , the eye also can see all round the skin has grind chrysalis regularly , when standing naturally spend gently bow - backed , feel oneself is coccygeal needle in ache when sit - ups ( did afore - mentioned semiotic people already grow up 25 years old ) whether to need treatment
用手可以明显触摸到（臀沟上部偏一侧），眼睛也可看到四周皮肤有经常性的磨茧，自然站立时轻度驼背，自感作仰卧起坐时尾骨尖处疼痛（上述症状人已成年25岁）是否需要治疗？