to rise up onto one's feet, typically from a seated or lying position, and support oneself in an upright position
起立
to bend the head or move the upper half of the body forward to show respect or as a way of greeting
お辞儀をする
to go to a position in which the knees are bent and the back of thighs are touching or very close to one's heels
スクワットをしている
to lower the head or body quickly as a gesture of avoidance or to avoid being hit
竦める
to bend from a straight position typically to rest the body against something for support
傾いている
to sit, lean or fall heavily or suddenly, typically due to exhaustion, weakness, or lack of energy.
暴落する
to put our bottom on something like a chair or the ground while keeping our back straight
座り込む
to fall or collapse suddenly and heavily, either intentionally or unintentionally
仕損じる
to position one's body like a ball with one's arms and legs placed close to one's body while sitting
(of a person or animal) to be in a resting position on a flat surface, not standing or sitting
横たわる