or misinterpreted‚ Neumann (2012) chooses to examine the convex-concave rule as applied to studies performed on the arthrokinematics of abduction of the glenohumeral joint (GH). The convex – concave rule states that during typical joint motion‚ a moving bone turns around a stable bone. The non-moving bone provides stabilizing joint surface for moving bone (Foster 2013‚ p. 59). In reference to the arthokinematics of abduction of the GH‚ “the convex humeral head rolls superior relative to the glenoid
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important stabilizer of the tibiofemoral joint. The ACL has a proximal attachment on the posteromedial portion of the lateral condyle of the femur and creates an anterior medial vector to reach its distal attachment at the anteromedial tibia. The anteromedial vector the ACL makes allows it to prevent primarily anterior translation of the tibia on the femur and secondarily tibial rotation subluxation on the femur and both valgus and varus forces at the tibiofemoral joint. In the United States‚ there are 200
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Radiologic case study A male patient of approximate mid 50’s in age went to the doctor with severe tenderness‚ swelling and pain in his left knee after falling down stairs and twisting his knee. The doctor found there was noticable swelling. An MRI (magnetic resonance imaging) showed the back side corner of the knee to be intact but also did show thickening of the ligament located on the outer side of the knee. The MRI shows an oval abnormality that ran alongside of the ligament. However‚ MRI
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BALL-AND-SOCKET JOINT 1 The Ball-and-Socket Joint HCS/230 January 10‚ 2011 Dr. Mike Liang THE BALL-AND-SOCKET JOINT 2 The Ball-and-Socket Joint Joints are essential in allowing movement of the human body. They are located at the intersection of bones‚ and their structures determine the type of movement that will occur at that location. Each joint contains components
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Osgood–Schlatter disease or syndrome (also known as tibial tubercle apophyseal traction injury) is an irritation of the patellar ligament at the tibial tuberosity. Sinding–Larsen–Johansson syndrome is an analogous condition involving the patellar tendon and the lower margin of the patella bone‚ instead of the upper margin of the tibia. The condition occurs in active boys and girls aged 9–16 coinciding with periods of growth spurts. It occurs more frequently in boys than in girls‚ with reports of
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is on the back of the thigh which bends the knee. Gastronomies are the calf muscle which lifts the heel and straightens the ankle. Latissimus dorsi is a large muscle on either side of the spine which supports the spine and stabilises the shoulder joint. Trapezius is the muscles on the spine which also raise the shoulder girdle. Biceps is the muscle which bends the elbow. Triceps is the muscle which straightens the elbow. Deltoid forms the curve of the
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metacarpal of the thumb and the other part inserting on the falciform bone‚ the tendon to the falciform bone is the larger of the two. Between the dorsal surface of the falciform bone and the palmar surface of scapholunate‚ there is an arthrodial joint. The falciform is connected to the styliform cartilage on the opposite side of the wrist by a
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three main ones). Wednesday 4th and 5th period: 1. Distinguish between spongy and compact bone in your long bones. 2. How would you define bone? 3. Explain how a joint is formed. 4. Distinguish between a ligament and a tendon. 5. Name the three types of joints and give three examples of each. 6. Explain what a synovial joint looks like and draw it from the Concise Biology Text. (Do not email me the drawing unless you have technology to take a picture of what you drew). Thursday 6th and
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work related injury when his shoelace got caught in the wheel of cart then twisted left knee. The patient was subsequently diagnosed with other tear of medial meniscus‚ current injury‚ left knee‚ initial encounter. MRI of the left lower extremity joint without contrast dated 4/14/16 revealed nondisplaced flap tear of the posterior horn of the medial meniscus‚ intrameniscal cysts‚ and partial tear of the posterior root attachment; grade 3 chondral degeneration along the medial femoral condyle and
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anterior cruciate ligament injury also referred as an ACL injury “caused by a sudden deceleration or landing maneuver with the leg in a vulnerable position” tearing the anterior cruciate ligament. There are three major bones that meet to form your knee joint known as the femur (thighbone)‚ tibia (shinbone)‚ and kneecap (patella). These bones are then connected to each other by ligaments that act as strong ropes in order to hold the bones together and stabilize the knee. One of these ligaments is the anterior
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