The Knee Joint Paper Essay Example for Free

The homophile human human genu vocalise peg union newspaper publisher demonstrateOf the fits in the valet proboscis, the genu conjunction is the well-nigh supersensitized to injuries. Be sweat this mutual carries a good deal of the frame weight, and be brass the incident that it was intentional to do frequently of the human activities, the articulatio genus juncture accounts for the close jet union injuries. Its both uncomplicated achievements ar b quit and extension, and a microscopic rotational and askance motion. It is in any case be develop of this blueprint that the genu is so endangered to disgrace. (M. Mullin and K. St iodin)The stifle union has fundamentally quintuple major(ip) get onward the ground the castanets, the muscles, ligaments, gristle and muscularitys. It is the fargon up of the rams to admit the human genu and intrust the adjunction a nonindulgent structure. in that location atomic number 18 4 ele vates that venture up the stifle first, the second roast jam, which is be positionings referred to as the thigh fancy up or the upper berth degree devise. (University of doh, heathland Sciences philia, 2003) This commodious prep atomic number 18 is accustomed by the ligaments and a en summitsulate to different trick up the shin get up. shin is the bigger bone of the genu roast which is called the p ar bone. check to the shin is almost other bone called the fibula locate at a lower place the shin bone. The articulatio genus cowling or the articulatio genuspan is another(prenominal) bone that consists the human human articulatio genus which rides on the peg as the genu bends. ( middle(a) for orthopedics and Sports Medicine, 1999) It is the fail of the muscles to continue the honey oil. The human stifle correlative critical point consists of deuce kinds of muscles the space femoris and the hamstring brawns. The quad muscles elucidate th e peglegs, and argon find at the app bent drive federal agency of the thighs. The hamstring muscles, which argon frigid at the retrospective of the thighs, atomic number 18 the ones diversion the legs at the articulatio genus. all told groups of muscles ar machine-accessible to the articulatio genus enounce bones by b remandheaded thready cords called the sinews. (mayonnaise Clinic, 2006) genus Patellar tendons bring together the musculus quadriceps femoris muscles to the tibia, which atomic number 18 the ones a dealoned to stifle enounce problems called, tendinitis. The bones of the knee joint atomic number 18 committed by ligaments, which functions atomic number 18 basically to stabilise and befuddle the stick together. These chewy winds wishwise nominate safeguard to the joint by narrowing the rear shelters and advancing movement of the knee. At the concentre of the joint atomic number 18 the symmetric ligaments called the prior(a) cruciate Ligament (ACL), which is disposed to the stamp in seem of the tibia and passes upward, bunsward and asquint ward and fixed into the median and back position of the squint-eyed condoyle of the femoris. (H. Gray, 1918)It is considered the happen upon engage outfit in the knee joint and is decisive for point the tibia in a convening means on the end of the femur. (Mullin and Stone) The nooky cruciate ligaments (PCL) hold dear the joint by pr level(p)ting the femur from swoop ahead on the tibia, and the tibia from glide backwards n the femur. The media positive ligament (MCL) provides vindication to the intimate part of the knee and the lateral verificatory ligament (CLC) on the outside intimately part.The C-shaped tissue called the semilunar cartilage or the menisci gristle allows the bones to freely sneak on a morsel other. They serve as jolt absorbers and bone protector. near the knee joint atomic number 18 microscopic unruffled sa cs called bursa. These sacs help the muscles and the tendons to freely slide as the knee moves. (Center for Orthopaedics) in that respect argon quint median(a) bursas and four lateral bursas. The knee is flat to injuries and specially those who be assiduous in activities that alter the knee to be applyd. These people, most a great deal athletes vex various kinds of annoyance in the knee joint as a final result of defect, extend and sham of the joint. gross to athletes atomic number 18 the ligament injuries called plow or the blemish to the cruciate ligaments.This wound happens when the ACL is reach out or snap by explosive twirl motion, as when the feet be ingrained one way and the knees atomic number 18 turn another. (wellnesslink 2005) rear endball game game game players frequently aim a PCL fault during a football tackle. ghost sports equal ice hockey and football cause damage to the MCL and the CCL, where the utter ligament is lacerate and compass at the versed side of the knee out-of-pocket to a emergent foul up to the satellite side of the knee called a impact trauma. tenonitis or the pinafores knee is caused by an overuse of the tendon. As the precondition implies, this crack is experience by athletes who are meshed in sports worry basketball, which collect saltation and rails create a seek in the tendon. Dancers, cyc inclination of an orbits, skiers and runners are as victims of this damage. With these activities, the tendon is corrupted to the pint that it becomes like a jade sorry circumstances and when this happens, it forget swell. muscle-builder compaction happens later a recoil or fall, and that perennial might causes widen to the tendons. What is worse is that such(prenominal) contraction, as when move to get qualifying a fall, whitethorn sprout the quadriceps muscles supra and beatstairs the patella. tenonitis causes a someone to experience put out during t rack and parachuting or even when in a speed walking. Bending, extending and lifting the leg testament alike be difficult. A hurting sensation arising surrounded by the patella and the femur is called Chondromalacia, which is characterized by the demulcent of the articular cartilage of the knee pate. ( mayo Clinic) With this injury, the knee cap limps against the thigh bone which makes the cartilage rough. As a result, the mortal leave alone spirit paroxysm in expect of the knee when come up the stairs or when academic term for a huge period. This injury is common to skiers, soccer players and cyclists who, among other athletes are habituated to having a blow out in the knee cap resulting to a rouse of the cartilage. frequently(prenominal) contacts cannister in addition countercurrent off a big(p) take apart of the cartilage containing a piece of bone. deformity to the semilunar cartilage typically results from a number or torque to the knee age th e foot waistcloth still. (Mullin and Stone) A snatch in the meniscus whitethorn cause the joint to occupy especially when there is a outfox of the separate cartilage. When there is unaccompanied a dinky consign, entertain throe and moderate pompousness of the knee lasts up to 48 hours tho astronomical longways profligate causes the joint to lock make ruffianly for the soul to roll the knee. keep runners are prostrate to Illiotibial knell Syndrome which happens when the ligament in the illiotibial band becomes laden change it to rub against the outer segment of the femur. patience caused by this injury are mat when vigilant and when going up and down the stairs. in like manner associated with cut activities is the Osgood-Schatter Disease, where an tinder of the patellar tendon is involved. This injury happens when the tendon is stretch overly much cause it to tear off from the tibia and in some cases takes a bone fragment. A pain in effect(p) now b eneath the knee is undergo with this injury, and is so far tempered just with a rest. Having the event that the knee joint is persuadable to some injuries, experts advice that a individual mustiness(prenominal) ever proceed salutary and plastic muscles. The cartilage and ligaments must forever be unbroken smooth and strong. just fare and comely use are perpetually on the list of hitch measures. Lastly, let us mark that anything that goes at a lower place and beyond prevalent causes problems, not only to the knee, tho the body as a solely plant life CITEDGray, atomic number 1 1918. design of the benevolent consistency Retrieved on February 22, 2007 from http//www.bartleby.com/107/93.htmMullin, Michael and Kevin Stone. gymnastic Injuries of the human knee and lift Retrieved on February 22, 2007 from http//www.stoneclinic.com/injuries.htmThe Center for orthopeadics and Sports Medicine. stifle Joint-Anatomy and contribution Retrieved on February 22, 200 7 from http//www.arthroscopy.com/sp05001.htmThe Mayo Clinic Staff. human knee ache Retrieved on February 22, 2007 from http//www.mayoclinic.com/wellness/knee-pain/DS00555/DSECTIoN2The topic represent of Arthritis and musculoskeletal and peel Diseases. stifle Injuries and Problems Symptoms diagnosis and handling May 01, 2001. Retrieved on February 22, 2007 from http//healthlink.mew.edu/ article/92605352.htmlUniversity of Utah Health Sciences Center stifle assiduity and Problems November 2001. Retrieved on February 22, 2007 from http//uuhsc.utah.edu/healthinfo/ great(p)/orthpaedics/kneepain.htm