CHAPTER 8 APPENDICULAR SKELETON - Untitled ?· APPENDICULAR SKELETON Appendicular skeleton upper “appendage”…

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APPENDICULAR SKELETON Appendicular skeleton upper appendage pectoral girdle clavicle scapula upper extremity lower appendage pelvic girdle pelvis lower extremity pectoral girdle = scapula + clavicle scapula muscular attachment to rib cage muscular attachment for UE glenoid cavity (fossa) attach upper extremity acromion process coracoid process spine of scapula supraspinous and infraspinous fossa clavicle stabilizes scapula articulates with manubrium humerus head articulate with glenoid cavity greater tubercle muscle attachments lesser tubercle muscle attachments intertubercular groove deltoid tuberosity muscle attachment trochlea articulate with ulna capitulum articulate with radius medial , lateral epicondyles muscle attachments coronoid fossa olecranon fossa ulna olecranon muscle attachments trochlear notch articulate with trochlea coronoid process radial notch articulate with radius styloid radius head articulates with capitulum radial tuberosity proximal radioulnar joint styloid wrist and hand carpal bones proximal row scaphoid lunate triquetrum pisiform distal row trapezium trapezoid capitate hamate metacarpals phalanges pelvic girdle pelvis ilium ischium pubic bone sacroiliac joint joint between ilium and sacrum acetabulum articulate with femoral head obturator foramen covered by fibrous c.t. muscle attachments protects pelvic organs allow passage of infant allow passage of infant pelvic landmarks ilium: iliac crest ala iliac fossa ASIS AIIS PSIS PIIS greater sciatic notch arcuate line auricular surface ischium: body and ramus ischial spine lesser sciatic notch ischial tuberosity pubis = pubic bone superior and inferior ramus pubic crest and tubercle iliopectineal line femur head articulate with acetabulum neck greater trochanter muscle attachments lesser trochanter muscle attachments intertrochanteric crest and line gluteal tuberosity attach gluteal muscle linea aspera muscle attachments patellar surface articulate with patella condyles articulate with tibia epicondyles muscle attachments adductor tubercle muscle attachments patella sesamoid bone within quadriceps tendon increased leverage for knee extension tibia medial, lateral condyles articulate with femur hold meniscus tibial tuberosity muscle attachments intercondylar eminence attach ligaments medial malleolus supports ankle joint fibula head superior tibiofibular joint lateral malleolus supports ankle joint interosseous membrane stabilizes fibula muscle attachments ankle and foot tarsal bones talus calcaneus navicular cuneiforms cuboid metatarsals phalanges


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