extend one's limbs or muscles, or the entire body
"Stretch your legs!"
"Extend your right arm above your head"
extend or stretch out to a greater or the full length
"Unfold the newspaper"
"stretch out that piece of cloth"
"extend the TV antenna"
make long or longer by pulling and stretching
"stretch the fabric"
pull in opposite directions
"During the Inquisition, the torturers would stretch their victims on a rack"
extend one's body or limbs
"Let's stretch for a minute--we've been sitting here for over 3 hours"