What are the four articulations of the shoulder girdle?
Glenohumeral, Acromioclavicular, Sternocalvicular, Scapulothoracic. (GASS)
What are the three articulations of the elbow?
Humeroulnar, Humeroradial, & proximal radioulnar (HHP)
What are the two primary articulations of the knee?
Tibiofemoral & Patellofemoral