Gliding Joints are found between bones that meet at flat or mostly flat surfaces. They allow for gliding movement of the bones past each other.
Condyloid joints allow for two planes of movement in flexion, extension, adduction, abduction, and/circumduction. These generally follow a convex/concave relationship between the bones that are joined via this joint.
You can find both types in the wrist.
The young person or child's peers and surroundings. They could be paying attention to everyone and everything around them who is daring, taking it in and wanting to try it. Or having a childhood's worth of overprotectiveness and wanting to break out of that.
