Joint Scavenger Hunt
By : Shreya Gazawada and Savitha Srinivasan
The gliding joint is a joint which allows a born to glide past another one creating movement and flexibility. The following pictures represent a gliding joint due to their characteristics. For example, the phone case. The top of the phone case can glide to reveal the bottom portion. This is like a gliding joint, since when you push on the top part it allows it to glide past the rest of the phone case. Also, the desk is an example. The bottom part of the desk can glide forward or backward. It can be pulled on to move forward and pushed on to go back, this is possible because of the structures of the sides. Another example, would be the drawer of a dresser. The dresser has a slider on the side that lets it move 'glide' in one direction (front to back) allowing the drawer to come out and go back into the main dresser.
Ball and Socket Joint
Ball and Socket :
Explanation : It's like a ball fitting in a socket, hence the name. The joint contains a vertical shaped bone that fits around the round edge that fits under the surface of a shell cover. With this sort of placement the ball and socket joint has a lot of movement and can rotate freely in all directions inside the socket.
For example, the wheels that are under a movable chair. The wheels that lie under represent the outer shell cover while the vertical rod that is connected to the wheel would represent the vertical bone. With that settled, the wheels may move any direction they are pushed. A wheelchair can also be used to represent a "ball and socket joint". By the wheels attaching to the rod that lets them move in any direction related to the joint that lies in the human body. The mirror in the picture can also be identified as a ball and socket joint. The spherical 3D object would represent a ball and the rode attaching that lies in the wood plank of the mirror(is not visible) is the long cord that would be the one that attaches to the ball of the ball and socket joint. This allows the mirror to move freely in directions it can be pushed at.