1.   He switched channels with the remote, clasped his hands behind his head.

2.   I put my hands behind my back.

3.   One of them tied her hands behind her back.

4.   Place hands behind your head and dip chin to chest.

5.   Situps are best done with your hands behind your neck.

6.   He tied her hands behind her back.

7.   He was handcuffed with his hands behind his back.

8.   Malik clasped his hands behind his back.

9.   Robert clasped his hands behind his back and tried for a light, bantering tone.