P.T. ASSISTANT PROGRAM Articulations UPPER EXTREMITY JOINTS BONES Shoulder Scapu1a and Humerus Shoulder Girdle: Scapu1a and Clavicle and Sternum Elbow: Humerus with the Ulna and Radius Proximal Radial/Ulnar Radius and Ulna Distal Radial/Ulnar Radius and Ulna Wrist (radiocarpal) Radius and Proximal row of carpals ARTICULATING SURFACES Glenoid fossa of scapula and Head of Humerus Acromion process with the lateral end of the clavicle and the medial end of the clavicle with the sternum Trochlea of the humerus with the trochlear notch of the ulna & the capitulum of the humerus with the head of the radius . Head of Radius with radial notch of the Ulna Distal Radius with Distal Ulna Distal end of radius (radial ulnar disc) with the scaphoid, lunate and triquetrum NOTE: the ulna does not directly articulate at the wrist but is functionally part of the wrist joint BONES ARTICULATING SURFACES Proximal and Distal rows of carpals Scaphoid, Lunate and Triquetrum with the Trapezium. Trapezoid, Capitate and Hamate Between carpals Between each of the carpal bones Mid Carpal Intercarpal Fingers: Carpo-metacarpal Carpals with metacarpals Metacarpo-phalangeal Metacarpal with the phalange Distal carpals with the base of the metacarpal . Head of metacarpal with the base of the proximal phalange Proximal- tnterphalangeal Prox phalanx with middle phalanx Head of prox phalanx with base of middle phalanx Distal-interphalangeal Middle phalanx with distal phalanx Head of middle phalanx with base of distal phalanx Thumb: Carpo-metacarpal Carpal with metacarpal Trapezium with the base of the first metacarpal (saddle joint) Metacarpo-phalangeal Metacarpal with proximal phalanx Head of metacarpal with base of proximal phalanx Interphalangeal Proximal phalanx with distal phalanx Head of proximal phalanx with base of distal phalanx P. T. ASSISTANT PROGRAM Articulations LOWER EXTREMITY JOINTS BONES ARTICULATING SURFACES Innominate with Femur Acetabulum of innominate with head of femur Femur and Tibia Medial and lateral condyles of femur with the tibial plateau Tibia, Fibula and Talus Distal ends of tibia and fibula with talus Intertarsals Between the tarsal bones Hip Knee Ankle Intertarsal Tarso-metatarsal Tarsals and Metatarsals Distal tarsals with the base of the metatarsals Metatarso-phalangeal Metatarsal and Proximal phalanx Head of metatarsal with the base of the proximal phalanx Proximal interphalangeal Proximal and Middle phalanx Head of proximal phalanx with base of middle phalanx Distal interphalangeal Middle phalanx with Distal phalanx Head of middle phalanx with base of distal phalanx Inter-vertebral joints These are the joints between the vertebrae that permit movement of the spine. The inferior facet of the m ore superior vertebrae articulates with the superior facet of the next vertebrae down.