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Sinem Suner-Keklik, Gamze Cobanoglu-Seven, Nihan Kafa, Mustafa Ugurlu, and Nevin Atalay Guzel

Context: Proprioception is the basic element of the spontaneous control of movement, balance and joint stability. Therefore, it is necessary for the execution of walking and daily and sport activities. Loss of proprioception of the knee, which may cause a new injury, is important to evaluate the position sense of the joint during the rehabilitation period. However, the evaluation methods that are used are very expensive, complicated and nonportable, or the measuring method is difficult to implement. Objective: We demonstrated the validity and reliability of knee proprioception measurements performed in the open kinetic chain position and closed kinetic chain position with a dual inclinometer. Design: We assessed the validity and intratester reliability of a digital inclinometer for measuring the knee joint position sense in different positions. Setting: Clinical laboratory. Participants: We enrolled 22 participants (age = 21.8 ± 0.95 y, height = 172 ± 9.1 cm, weight = 64.9 ± 14 kg) into the study. Intervention: The same investigator used an inclinometer to take knee proprioception measurements in open and closed kinetic chain positions. Main Outcome Measures: The relative angular error was calculated by taking the arithmetic average of the difference between the target angle and reproduced angle and was the main outcome measure. Results: We found that the dynamometer-inclinometer had a moderate ICC value (ICC = 0.594, SEM = 1.60, P = .005), whereas inclinometer t1 vs inclinometer t2 (ICC = 0.778, SEM = 0.62, P < 0.001) and closed kinetic chain position t1 and closed kinetic chain position t2 (ICC = 0.888, SEM = 0.63, P < 0.001) had high ICC values. Conclusion: Knee proprioception measurements performed with a dual inclinometer were reliable in the closed kinetic chain position in healthy, sedentary individuals and were valid and reliable in the open kinetic chain position.

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Marc R. Safran, Christopher D. Harner, Jorge L. Giraldo, Scott M. Lephart, Paul A. Borsa, and Freddie H. Fu

Proprioceptive deficits have been demonstrated following anterior cruciate ligament (ACL) disruption, but little research exists evaluating proprioception in the posterior cruciate ligament (PCL)-deficient and/or -reconstructed knee. We have studied proprioception in PCL-deficient and PCL-reconstructed knees. The following summarizes our protocol and results of proprioceptive testing of kinesthesia and joint position sense in participants with isolated PCL injuries and those who underwent PCL reconstruction. We studied 18 participants with isolated raptures of the PCL and 10 participants who underwent PCL reconstruction. Proprioception was evaluated by two tests: the threshold to detect passive motion (TTDPM) and the ability to passively reproduce passive positioning (RPP). These assess kinesthesia and joint position sense, respectively. We have shown that isolated PCL deficiency in the human knee does result in reduced kinesthesia and enhanced joint position sense. Thus, the proprioceptive mechanoreceptors in the PCL do appear to have some function. We further found that PCL reconstruction significantly improved kinesthesia at 45° of knee flexion, while 110° was not significantly different between the involved and uninvolved knee in both studies.

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Barıs Seven, Gamze Cobanoglu, Deran Oskay, and Nevin Atalay-Guzel

Proprioception is defined as being aware of body position in space. Impulses that come from muscles, tendons, joint capsules, and skin compose proprioception. The afferent information, which comes from these areas, is important for motor performance to be effective and safe. 1 A good

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Marc R. Safran, George L. Caldwell Jr., and Freddie H. Fu

The role of surgery in proprioception, and the current role of proprioception in surgery, is unclear due to the lack of scientific research and clinical studies. The main components of proprioception in surgery are viewed to be preservation of afferents, promotion of regeneration of mechanoreceptors, and modification of protective reflex arcs in the postoperative patient. Soft tissue tension is hypothesized to be important in the efficiency of proprioceptors. Further, postoperative rehabilitation concentrating on proprioception may improve the results of surgery. With better understanding by clinicians, proprioception may play a bigger role in surgical technique, prosthetic replacement choice, and even indications for surgery. Further, proprioceptive testing may help determine the time course for optimal functional outcome following procedures. Thus, the future for proprioception in surgery and clinical application is expanding rapidly.

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John Andrew Badagliacco and Andrew Karduna

. 12 In fact, a recent meta-analysis demonstrated a link between proprioception deficits and several shoulder injuries, such as glenohumeral instability and shoulder impingement syndrome. 13 Many studies have investigated proprioception in a variety of overhead athletes. 14 – 23 However, few studies

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Xiu Hu, Shaojun Lyu, Min Mao, Jianwei Zhang, Wei Sun, Cui Zhang, and Qipeng Song

injuries that required immediate medical care ( Stel et al., 2004 ). Studies have suggested that many variables, such as the center of pressure (COP) variables, proprioception, and plantar tactile sensitivity, are indicators of balance control. The root mean square (RMS) and the mean velocity of COP have

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Dana M. Otzel, Chris J. Hass, Erik A. Wikstrom, Mark D. Bishop, Paul A. Borsa, and Mark D. Tillman

Given the high likelihood of recurrent ankle sprain after the initial sprain and that proprioception plays a critical role in preventing recurrent injury, 16 a goal of rehabilitation should be on reestablishing effective neuromuscular control. Although traditional rehabilitation serves to promote the

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Katya Trousset, David Phillips, and Andrew Karduna

Proprioception is the integration of afferent information, from mechanoreceptors in the periphery, within the central nervous system for the conscious perception of limbs to maintain postural status and overall position in space ( Han, Waddington, Adams, Anson, & Liu, 2015 ; Riemann & Lephart

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Nili Steinberg, Roger Adams, Oren Tirosh, Janet Karin, and Gordon Waddington

training and experience relative to a task, delayed onset of muscle contraction, and inadequate proprioception at the ankle joints. 5 , 8 There is now increased attention to previous injury history as an intrinsic risk factor for subsequent injury. 9 Once dancers have suffered a sprain, there may be

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Lin Li, Yanxia Li, Chang-hong Wu, and Hao Fu

Proprioception is responsible for communicating information regarding muscle contraction and force from the periphery to the central nervous system. This sense is necessary for the body to maintain its joint position sense (JPS), postural status, and global position in space ( Cappello et al., 1997