Knee Joint Case Study

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Knee joint is the largest joint in human body that is designed to withstand different types of frictions and strains caused by daily movements (Hospital for special injury, 2014). Measurement of the range of motion of knee joint is a vital criterion to determine whether daily activities performed by participants could happen functionally and normally. Loss of full ROM at the knee joint will result in detrimental effects to a patient, which causes a lot of health dysfunction and limits routine activities such as walking, running, climbing up the stairs as well as limiting functional squatting (Shah, 2008). It is crucial for clinicians to obtain and evaluate the data of the ROM of knee joint because it is used as an objective outcome measure …show more content…
It is important to reliably measure knee range of motion because a consistent result help enhance the awareness of physiotherapists to delineate post-operative rehabilitation and conduct the most suitable treatment on those patients who had a limited extremity of knee joint due to operations such as anterior cruciate ligament reconstructions and arthrofibrosis of the knee. (Lavernia, D"Apuzzo, Lee, & Rossi, 2008) It also helps to ensure the patients are fully recovered after surgical operations with normal ROM and no difficulties in daily activities and most importantly performing the activities …show more content…
However the results showed the opposite with the instruments of goniometer and inclinometer. The main sources of errors that may contribute to these results are due to assessor himself/herself. Measurement parallax and low level of education and experience may result in the difficulties in handling the instruments by each assessor. They may also have problem with identifying the reference points (Choi & Kang, 2015). Furthermore, individual variability of each patient is high as they may extend their knee joint differently for each measurement. Moreover, the high value of standard deviation showed that the data are widely spread and some extreme values may contaminate the final results of the

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