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    Effects of hallux valgus deformity on rear foot position, pain, function, and quality of life of women
    (Soc Physical Therapy Science, 2016) Coskun, Gursoy; Talu, Burcu; Bek, Nilgun; Bayramlar, Kezban Yigiter
    [Purpose] To investigate the relationship between hallux valgus (HV) deformity and the position of rearfoot joints, and its effects on the quality of life, pain, and related functional status of women with bilateral hallux valgus (HV). [Subjects and Methods] The subjects were 27 right-dominant women. Demographic data, HV angle, weight-bearing and non-weight-bearing subtalar pronation (SP), and navicular height were recorded. Visual Analog Pain Scale, Foot Function Index (FFI), and the American Orthopaedic Foot and Ankle Society (AOFAS) first metatarsophalangeal-interphalangeal (MTP-IP) and AOFAS Mid foot (MF) Scales, and SF-36 were also used. [Results] HV angle, weight-bearing SP, and pain intensity of the left foot were higher. HV angle of left foot was correlated with all sub-scales of FFI, the pain parameter of AOFAS MTP-IP, and pain and total scores of AOFAS-MF Scale. HV angle of the left foot correlated with physical role, pain, and social function sub-domains of SF-36. Right HV angles were correlated with right foot pain and non-weight-bearing SP. [Conclusion] Increasing HV angle and pathomechanical changes in the rear foot are correlated, resulting in increasing pain and thus decreasing functional status as well as decreasing quality of life. Although all the participants were right-dominant, their left foot problems were more prominent.
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    Proprioceptive force-reproduction of the rotator cuff in healthy subjects before and after muscle fatigue
    (Ios Press, 2018) Coskun, Gursoy; Talu, Burcu; Cools, Ann
    OBJECTIVE: To examine the effects of fatigue on force reproduction during internal and external rotation of the shoulder using a single group repeated measure design. METHODS: Seventeen healthy male subjects who did not regularly compete in overhand sports and had no history of glenohumeral complaints took part in the study. Force reproduction was measured in the dominant shoulder. A target force had to be reproduced in three consecutive trials before and after a fatigue protocol. Maximal voluntary contraction was assessed to determine the target force. Measured data before and after fatigue were analyzed as well as error scores to examine the effect of fatigue. RESULTS: Repeated-measures analysis of variance revealed a significant influence only in the testing direction. No difference was found with the target value before or after the fatiguing repetitions. The inter-trial intra-class correlation coefficient showed high reliability. CONCLUSIONS: Force reproduction towards external rotation is more accurate than for internal rotation.