But I have to say my little 7 year old girl climbs tree, skiis, horseback rides, rides a bike, swims, hikes in the wilderness, jumps on our trampoline, plays on our very tall playset....and she broke her nose (and needed surgery!) laying down on our low hammock while reading. It had 6 inches of mulch under it. She leaned over trying to get comfy and the hammock tilted, she rolled out, and landed nose first on a pretty rock she had discovered and just put there before she laid down.
Now I won't give up our hammock but it doesn't mean I will judge those who don't think it is appropriate for them to have... But I do think as a soicety we are getting far too concerned with our kid's physical safety and not concerned enough with them getting activity and a chance to explore... I know in my house growing up , mom would kick us out in the morning and tell us to be home for dinner. We would play in the woods all day, sometimes not in a safe way ... but I think I learned alot and we were healthier for it.