The stuff that bones are made of
Don’t be fooled by the outward appearance of bone. It’s not just sitting there.
Tag Archives: body mechanics
Try to hold your arms still while you walk
You can do it, but it takes some concentration. And it feels weird. At least, it does to me. That’s because it takes more work to let your arms swing free than it does to hold them still. And here’s why.
You've Got Some Science On You 