Sternoclavicular | For elevation/depression, the sternum is concave, the clavicle is convex | | Arm resting by side | For elevation/depression the OM and AG are in opposite directions |
| For protraction/retraction, the sternum is convex, the clavicle is concave | | | For protraction/retraction the OM and AG are in the same directions |
Acromioclavicular | Clavicle | Acromion | Arm resting by side | OM and AG are in opposite directions |
Glenohumeral | Humerus | Glenoid | 55 degrees of abduction, 30 degrees of horizontal adduction | In scapular plane: OM and AG are in opposite directions |
Humeroradial | Humerus | Radius | Elbow extended, forearm supinated | Perpendicular to long axis of radius: OM and AG are in the same directions |
Humeroulnar | Humerus | Ulna | 70 degrees of elbow flexion, 10 degrees of forearm supination | 45 degrees to long axis of ulna: OM and AG are in the same directions |
Radioulnar (proximal) | Radius | Ulna | 70 degrees of elbow flexion, 35 degrees of forearm supination | Parallel to long axis of ulna: OM and AG are in the opposite directions |
Radioulnar (distal) | Ulnar | Radius | Supinated 10 | Parallel to long axis of radius: OM and AG are in the same directions |
Radiocarpal | Proximal carpal bones | Radius | Line through radius and third metacarpal | Perpendicular to long axis of radius: OM and AG are in opposite directions |
Intercarpal | Scaphoid | Trapezium and trapezoid | Midposition | Parallel to joint surfaces: OM and AG are in the same directions |
Carpometacarpal joint of the thumb | For flexion/extension, the carpal is convex, the metacarpal is concave | | Midposition | For flexion/extension: OM and AG are in the same directions |
| For abduction/adduction the carpal is concave, the metacarpal is convex | | | For abduction/adduction: OM and AG are in opposite directions |
Metacarpophalangeal (2-5) | Metacarpal | Proximal phalanx | Slight flexion | Parallel to joint: OM and AG are in the same directions |
Interphalangeal | Proximal phalanx | Distal phalanx | Slight flexion | Parallel to joint: OM and AG are in the same directions |
Hip | Femur | Acetabulum | Hip flexed 30 degrees, abducted 30 degrees, slight external rotation | OM and AG are in opposite directions |
Tibiofemoral | Femur | Tibia | Flexed 25 degrees | On surface of tibial plateau: OM and AG are in the same directions |
Patellofemoral | Patella | Femur | Knee in full extension | Along femoral groove: OM and AG are in opposite directions |
Talocrural | Talus | Mortise | Plantarflexed 10 degree | In the mortise in anterior/posterior direction: OM and AG are in opposite directions |
Subtalar | Calcaneus | Talus | Subtalar neutral between inversion/eversion | In talus, parallel to foot surface: OM and AG are in the same directions |
Talonavicular | Talus | Navicular | Midposition | OM and AG are in the same directions |
Calcaneocuboid | For flexion/extension the calcaneus is convex, the cuboid is concave | | | For flexion/extension: OM and AG are in the same directions |
| For abduction/adduction, the calcaneus is concave, the cuboid is convex | | | For abduction/adduction: OM and AG are in opposite directions |
Metatarsophalangeal | Tarsal bone | Proximal phalanx | ...