back rest chair 中文意思是什麼
back rest chair
解釋
靠背椅-
E stage - less tilting of electrical chair back foot rest
電動椅背腳墊無段躺臥 -
E dual electric stage - less chair back and foot rest tilting separately
雙電動-椅背腳墊無段自動分離躺臥 -
Keep your back straight, your hips in a neutral position and feet flat on floor, or you can rest your feet on a chair or bench for stability. keep your hips close to the back of the chair
站的時候,要抬起頭,保持下巴收入,肩膀平直,胸部微向前傾,下腹內收,腰后微凹,這樣不僅令背肌鬆弛,人也顯得更神氣。
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