In a clinical study with 10 patients ( Chapter 5), the effects of the orthosis on shoulder pain and arm function were investigated after two weeks of use. This orthosis works by statically balancing the arm with two elastic bands. In Chapter 2, a dynamic shoulder orthosis has been developed with the aim of reducing the stress on the shoulder joint and thereby reducing pain without impeding the retaining range of motion of the shoulder. When the passive structures around the shoulder joint are continuously stretched, pain often occurs that prevents patients to actively engage their arm in daily activities. The shoulder plays an important role in positioning the arm. Therefore, all device functionality that did not contribute to this goal was omitted from the design. on the activity and participation level) rather than restoring capacity (i.e. During the design process we focused on restoring performance (i.e. In this thesis we developed and evaluated three novel assistive devices that support patients with impaired shoulders or hands. However, these devices must meet users’ expectations regarding effectiveness, reliability, durability, comfort and ease of use to reduce the risk of device abandonment. Assistive devices can contribute to reducing the effect of disability. Disability caused by impairments of arm and hand function can lead to activity limitations and participation restrictions. The positioning of the arm and the execution of grasping tasks play an essential role in this. To be able to independently perform daily activities, it is important that humans can use their arms and hands to a sufficient extent. Rietman from the Faculty of Engineering Technology. Claudia Haarman is a PhD student in the research group Biomechanical Engineering.
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