Используйте «back support» в предложении

1. I sat leaning slightly back supporting myself with my arms extended behind me

2. While I was maintaining the girl immobilized, her mouth to the floor with the rigor of all my weight seated on her back supporting her hands interlaced at the height of her coccyx, observed her mouth and bloody hair

3. He had lined the seat with them and piled the one side up with them as a back support

4. the front and back support (and therefore matching the