Observing bones #1 & #2 as pictured, the joint appears as a…
Observing bones #1 & #2 as pictured, the joint appears as a simple convex-concave relationship. However, when you pick up either of these bones and look at the more proximal joint, you discover that each joint surface is both convex (in the anterior – posterior direction) and concave (in the medial – lateral direction). What type of joint would this be?