Posture
Attitude
noun
Put a force on your figure to make it into a certain shape. This is your posture.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
トーフグはいつも低姿勢なので、好感が持てます。
Tofugu always has a humble attitude, so I have a good impression of them.
クロッキーのクラスでは、モデルさんに色んな姿勢を取ってもらいました。
We had a model strike various poses during the sketching class.
恐らく姿勢が悪いことが首の痛みの原因でしょう。
Your poor posture is probably causing your neck pain.