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Os Coxa: The fusion of 3 bones during childhood

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Presentation on theme: "Os Coxa: The fusion of 3 bones during childhood"— Presentation transcript:

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

2 OS COXA Acetabulum Obturator foramen

3 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

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

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

6 ISCHIUM Anterior Ischial spine Lesser sciatic notch Ischial tuberosity

7 ISCHIUM Posterior Ischial spine Lesser sciatic notch Pubic bone Ischial tuberosity

8 PUBIS Superior ramus Pubic bone Inferior ramus

9 PUBIS Pubic symphysis Symphyseal surface Pubic arch

10 Male pelvis Female pelvis

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

12 Male pelvis Female pelvis

13 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.

14 FEMUR Greater trochanter Neck Lesser trochanter Head

15 FEMUR Head Neck Greater trochanter Intertrochanteric crest Lesser trochanter

16 Intertrochanteric crest (posterior)
Intertrochanteric line (anterior)

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

18 FEMUR Medial epicondyle (adductor tubercle) Medial condyle Lateral condyle

19 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.

20 Lateral condyle Medial condyle Tibial tuberosity TIBIA Medial malleolus Fibular notch

21 TIBIA Medial malleolus

22 TIBIA Medial malleolus Fibular notch

23 TIBIA Medial malleolus Fibular notch

24 TIBIA Medial condyle Tibial tuberosity Lateral condyle

25 Intercondylar eminance
TIBIA Intercondylar eminance

26 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.

27 FIBULA Lateral malleolus Head Head Lateral malleolus

28 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. 

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

30 Medial facet of talus Lateral facet of talus Calcaneal tuberosity CALCANEUS

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

32 Lateral facet of talus

33 METATARSALS: 1-5 FIRST METATARSAL Styloid Process FIFTH METATARSAL

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

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

36 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.

37 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.

38 Turning An Ankle Into A 'Knee'
Video of the 13-year-old patient, walking with a normal gait, can be viewed here:

39 Rotationplasty VIDEO MBA Implant


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