connected bones to detach. Ligaments are flexible bands of fibrous tissue that attach numerous bones and cartilage. Ligaments also bore the bones in a joint together. Tensions on joint ligament can consequent to dislocation of the joint. The hip and shoulder joints‚ for example‚ are called "ball and socket" joints. Extreme force on the ligaments in these joints can affect the ball to slightly or wholly come out of the socket that it is in. Dislocations are uncommon in younger children because their growth
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which attaches the top of the humours to the glenoid socket. Too much stress or throwing the ball incorrectly can lead to partial tears and also swelling in the tendons. (FIGURE 4) In the wind up the force causes the hip‚ ball and socket joint‚ and knee‚ synovial joint‚ flexion. The hamstring and gluteus maximus cause the movement and the quadriceps is the antagonist muscle‚ at this stage the pitcher has one leg in the air‚ his centre of gravity and his line of gravity is directly over his back foot
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A joint is the location at which two or more bones connect.[1] They are constructed to allow movement (except for skull bones) and provide mechanical support‚ and are classified structurally and functionally.[2 - ------------------------------------------------- Classification Depiction of an intervertebral disk‚ a cartilaginous joint. Diagram of a synovial (diarthrosis) joint. Joints are mainly classified structurally and functionally. Structural classification is determined by how the
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classifications of joints according to movement. What are two characteristics that make synovial joints unique and different from other joints? Which joint is stronger-the shoulder or hip joint and why is it? 1. A synarthrosis joint permits no movement and can be either a fibrous or cartilaginous joint. 2. An amphiarthrosis joint permits only slight movement and can be either fibrous or cartilaginous joint. 3. A diarthrosis joint is a freely movable joint and is always a synovial joint: - Allows considerable
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long been thought of as a contributor to joint trouble‚ particularly arthritis. Even though the mechanisms behind it aren’t perfectly clear‚ research suggests habitual knuckle cracking is not a significant risk factor for arthritis‚ though it may have several other negative side effects . Though the exact mechanisms behind knuckle cracking are still debated‚ that popping sound is likely not from bone-on-bone contact. To keep them working smoothly‚ most joints are surrounded by a membrane filled with
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Shoulder dislocation Epidemiology Anterior shoulder dislocation is the commonest dislocation in the body • Makes up 95% of shoulder dislocations • It occurs in around 2% of individuals at some stage • Dislocation is more common in the dominant limb • In young people it is much more common in males • By the 6th to the 7th decade it is more common in females • Instability is bilateral in around 15% Conceptualizing instability Two acronyms are used to think about
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AR50126 Assignment Name: Mizanur Rahman In submitting this assignment‚ I certify that all this material is my own work‚ except where I have indicated otherwise with appropriate references. 0.0 0.1 Report on the ‘Sandford’ Joint Venture in East Timor Date: 30th September 2011 For: George Jackson From: Mizanur Rahman 1.0 Executive Summary Freemantle Construction operates in a domestic environment against ever increasing competition in a saturated market‚ trying to maintain market share
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procedures. It is important that all information releases are coordinated utilizing the Joint Information System (JIS) to ensure information consistency (PIO guide‚ 2007). The JIS provides the means to organize‚ integrate‚ and coordinate information and make sure it is accurate‚ timely‚ and consistent‚ then information can be released externally. The JIS provides the mechanism for processing information‚ and the Joint Information Center (JIC) is a physical location where the JIS is utilized. Ideally
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Orthognathic surgery Reconstruction of craniomaxillofacial deformities Based on skeletal growth potential Surgerical movement of jaw structiures Correct MANDIBULAR discrepencies Sagitall ramous osteostmies Sagittal split osteostomie ***************** Most common RIF increased popularitie Correct variety of mandibular deformities Distraction osteogenesis ** Genioplasty ** Dramatic facial change with relaltively minor surgery Morphology of bony chin and overlaying soft tissue must
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replacement surgery is an operation that will replace your natural hip with an artificial joint. In the normal hip‚ the two bones of the hip joint fit together like a ball and socket. The top part of the thigh bone which is the femur is shaped like a ball and it fits into the socket cavity of the pelvic bone. Ligaments hold the joint together and stabilize it. Hip replacement surgery is the second most common joint replacement procedure‚ closely following knee replacement surgery. Older adult patients
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