Postural Sway Correlates of Perceived Comfort in Pointing Tasks
نویسندگان
چکیده
People grasp objects differently depending on what they plan to do with the objects. One hypothesis concerning this tendency is based on the end-state comfort effect, which has been described as a tendency to grasp an object in an uncomfortable way that allows for a more comfortable final posture [1]. Following up on this hypothesis, we sought to introduce quantitative indices of “comfort” based on biomechanical variables. We hypothesized that uncomfortable positions would be associated with decreased stability. Toward that aim, we explored biomechanical measures of postural sway as possible correlates of subjective comfort ratings for a range of arm postures.
منابع مشابه
Pain relief is associated with decreasing postural sway in patients with non-specific low back pain
BACKGROUND Increased postural sway is well documented in patients suffering from non-specific low back pain, whereby a linear relationship between higher pain intensities and increasing postural sway has been described. No investigation has been conducted to evaluate whether this relationship is maintained if pain levels change in adults with non-specific low back pain. METHODS Thirty-eight p...
متن کاملIs there a relationship between pain intensity and postural sway in patients with non-specific low back pain?
BACKGROUND Increased center of pressure excursions are well documented in patients suffering from non-specific low back pain, whereby the altered postural sway includes both higher mean sway velocities and larger sway area. No investigation has been conducted to evaluate a relationship between pain intensity and postural sway in adults (aged 50 or less) with non-specific low back pain. METHOD...
متن کاملPostural sway during dual tasks in young and elderly adults.
BACKGROUND Previous studies have shown that healthy young adults are able to decrease their standing postural sway when an additional postural visual task, such as reading, is performed. OBJECTIVE In this study, we investigated postural sway during dual tasks in young and elderly adults. METHODS Twelve healthy active elderly adults (aged 65-75 years) and 12 healthy young adults (aged 22-39 ...
متن کاملA Comparison of Military and Law Enforcement Body Armour
Law-enforcement officers increasingly wear body armour for protection; wearing body armour is common practice in military populations. Law-enforcement and military occupational demands are vastly different and military-styled body armour may not be suitable for law-enforcement. This study investigated differences between selected military body armour (MBA: 6.4 kg) and law-enforcement body armou...
متن کاملInteraction between Depth Order and Density Affects Vection and Postural Sway
OBJECTIVE Vection, a feeling of self-motion while being physically stationary, and postural sway can be modulated by various visual factors. Moreover, vection and postural sway are often found to be closely related when modulated by such visual factors, suggesting a common neural mechanism. One well-known visual factor is the depth order of the stimulus. The density, i.e. number of objects per ...
متن کامل