Os Coxa: The fusion of 3 bones during childhood Ilium ischium pubis

OS COXA Acetabulum Obturator foramen

Lateral and Medial Views of the Hip Bone Tubercle of the iliac crest Ilium Ilium Ala Anterior gluteal line Iliac fossa Iliac crest Iliac crest Posterior gluteal line Anterior superior iliac spine Anterior superior iliac spine Posterior superior iliac spine Posterior superior iIiac spine Inferior gluteal line Posterior inferior iliac spine Posterior inferior iliac spine Anterior inferior iliac spine Anterior inferior iliac spine Body of the ilium Greater sciatic notch Acetabulum Arcuate line Auricular surface Ischial body Superior ramus of pubis Ischial spine Ischial spine Pubic tubercle Lesser sciatic notch Obturator foramen Pubic body Ischium Pubis Articular surface of pubis (at pubic symphysis) Ischium Ischial tuberosity Ilium Ischial ramus Inferior ramus of pubis Ischium Ischial ramus Inferior ramus of pubis Pubis (b) Lateral view, right hip bone (c) Medial view, right hip bone Figure 8.8b, c

Iliac fossa ILIUM Iliac crest Posterior superior iliac spine Anterior superior iliac spine Posterior inferior iliac spine Anterior inferior iliac spine Greater sciatic notch

ILIUM Auricular surface and sacroiliac joint Greater sciatic notch Arcuate line Ischial spine Lesser sciatic notch

ISCHIUM Anterior Ischial spine Lesser sciatic notch Ischial tuberosity

ISCHIUM Posterior Ischial spine Lesser sciatic notch Pubic bone Ischial tuberosity

PUBIS Superior ramus Pubic bone Inferior ramus

PUBIS Pubic symphysis Symphyseal surface Pubic arch

Male pelvis Female pelvis

Female pelvis Pelvic brim Male pelvis Pubic arch is broader in female Pubic arch is narrower in male

Male pelvis Female pelvis

How to tell and right and left os coxa Place the auricular surface against the clothing on your hip, with the pubis facing anteriorly. The acetabulum should point laterally.

FEMUR Greater trochanter Neck Lesser trochanter Head

FEMUR Head Neck Greater trochanter Intertrochanteric crest Lesser trochanter

Intertrochanteric crest (posterior) Intertrochanteric line (anterior)

FEMUR Medial condyle Gluteal tuberosity Linea aspera Popliteal fossa Intercondylar notch Lateral condyle

FEMUR Medial epicondyle (adductor tubercle) Medial condyle Lateral condyle

How to tell right from left femur? Place the femur on the anterior surface of your thigh, with the linea aspera touching your pants. The head of the femur should face medially towards the body.

Lateral condyle Medial condyle Tibial tuberosity TIBIA Medial malleolus Fibular notch

TIBIA Medial malleolus

TIBIA Medial malleolus Fibular notch

TIBIA Medial malleolus Fibular notch

TIBIA Medial condyle Tibial tuberosity Lateral condyle

Intercondylar eminance TIBIA Intercondylar eminance

How to tell right and left tibia? Place the tibia on the anterior surface of your leg with the tibial tuberosity facing anteriorly (not touching your leg). What side is the medial malleolus on? It should be medial, towards the midline of the body.

FIBULA Lateral malleolus Head Head Lateral malleolus

How to tell R from L fibula Place the fibula on the table with the smooth side of the lateral malleolus facing down. Pretend to trace the malleolus. Notice that one side (posterior) is straight and the other side (anterior) is curved. Place the smooth surface of the lateral malleolus against your sock at your own lateral malleolus. The curved edge should face anteriorly, not posteriorly. 

TARSALS MEDIAL (or 1st) CUNEIFORM NAVICULAR TALUS INTERMEDIATE (or 2nd) CUNEIFORM LATERAL (or 3rd) CUNEIFORM CUBOID CALCANEUS

Medial facet of talus Lateral facet of talus Calcaneal tuberosity CALCANEUS

The facets are the smooth surface on the sides of the talus Lateral facet of talus Medial facet of talus

Lateral facet of talus

METATARSALS: 1-5 FIRST METATARSAL Styloid Process FIFTH METATARSAL

PHALANGES DISTAL PHALANX, FIRST DIGIT PROXIMAL PHALANX, FIRST DIGIT DISTAL PHALANX, FIFTH DIGIT INTERMEDIATE PHALANX, THIRD DIGIT

Patella (pat Ella, don’t PET Ella) Medial articular facet (convex) Lateral articular facet (concave) Base Medial border Lateral border Apex

Patella Medial articular facet Lateral articular facet The Lateral facet is larger. If you place the patella on your desk, it will always fall onto the lateral articular facet.

Turning An Ankle Into A 'Knee' Patient was a five-year-old girl with Ewing's sarcoma, a cancerous tumor, behind her left knee. Surgeons at The Children's Hospital of Philadelphia used a limb-sparing technique called rotationplasty to remove the diseased portion of bone, turn the shortened portion of the leg bone in a half-circle and reattach it, with the ankle joint functioning as a knee. With a prosthetic attached to the mobile joint, the child, now 13, enjoys gymnastics and cheerleading.

Turning An Ankle Into A 'Knee' Video of the 13-year-old patient, walking with a normal gait, can be viewed here: http://content.nejm.org/cgi/content/full/351/8/e7

Rotationplasty VIDEO MBA Implant