Khan, K. (Kevin) (2017) A Dynamical Systems Approach to Upper Limb Prosthesis Use: Hysteresis in Switching Between Grip-Types. thesis, Human Movement Sciences.
Full text available on request.Abstract
An upper limb prosthesis is an artificial device that emulates the upper limb, this prosthesis can be fitted to people who have experienced a traumatic injury and/or an amputation to their upper limb. The use of a prosthesis can help the person overcome the overwhelming amount of stress that exceeds one’s ability to cope from losing a limb (Luis Díaz et al. 2016) and to restore function capabilities for activities of daily living (ADL) (Bouwsema et al. 2012). The restoration of functional capabilities require certain user needs for their ADLs, such as holding a cup to drink from or opening a door. Upper limb prosthesis technology must meet their user requirements to be useful or be able to help perform ADLs. Technological advancements in prosthesis have significantly improved over time from simple attachments, for instance, esthetic purposes, functioning for opening and closing a claw-like hand and presently, having multi-articulate hands with numerous grip patterns and postures available for users. Despite these technological advancements, the rate of use with these prostheses have been relatively low (Biddis & Chau, 2007 and Romkema et al. 2013). Therefore, understanding how a user uses their prosthesis and how to increase the usage is of significant importance. Hence, training of the user has to be taken to the next level to enable the user to take full advantage of the possibilities of the hand and to continue using it. Moreover, testing quality of the user’s abilities would require an assessment or model for multi-articulate hand prostheses and can be used to assess switching capacity in prosthesis users. Most studies take as a starting point the idea that the neuromotor system must form an internal model of the prosthetic hand to learn to produce control signals of the hand (Radhakrishnan et al. 2008). This current study is the first to exploit whether a dynamical systems account to prosthesis use is viable. The internal model principle and dynamical systems theory are not to be pitted against but offers a different perspective on how to explain, predict and understand prosthesis hand use.
| Item Type: | Thesis (UNSPECIFIED) |
|---|---|
| Supervisor name: | Bongers, R. and Heerschop, A. |
| Faculty: | Medical Sciences |
| Date Deposited: | 06 May 2022 12:20 |
| Last Modified: | 11 May 2022 07:23 |
| URI: | https://umcg.studenttheses.ub.rug.nl/id/eprint/3242 |
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