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W Mark Richter

Explore the profile of W Mark Richter including associated specialties, affiliations and a list of published articles. Areas
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Recent Articles
1.
Rankin J, Kwarciak A, Richter W, Neptune R
Clin Biomech (Bristol) . 2012 Jul; 27(9):879-86. PMID: 22835860
Background: The majority of manual wheelchair users will experience upper extremity injuries or pain, in part due to the high force requirements, repetitive motion and extreme joint postures associated with...
2.
Kwarciak A, Turner J, Guo L, Richter W
Disabil Rehabil Assist Technol . 2012 Feb; 7(6):459-63. PMID: 22295946
Purpose: To evaluate the effects of stroke pattern on handrim biomechanics and upper limb electromyography (EMG) in experienced wheelchair users. Method: Subjects propelled their own wheelchair on a level, motor-driven...
3.
Guo L, Kwarciak A, Rodriguez R, Sarkar N, Richter W
Rehabil Res Pract . 2011 Nov; 2011:590780. PMID: 22110977
This paper describes the design and validation of the OptiPush Biofeedback System, a commercially available, instrumented wheel system that records handrim biomechanics and provides stroke-by-stroke biofeedback and targeting for 11...
4.
Richter W, Kwarciak A, Guo L, Turner J
Arch Phys Med Rehabil . 2011 Mar; 92(4):572-7. PMID: 21440701
Objective: To determine the effects of single-variable biofeedback on select wheelchair propulsion variables. Design: Within-subject comparisons. Setting: Biomechanics laboratory. Participants: Manual wheelchair users (N=31). Interventions: Biofeedback on braking moment, cadence,...
5.
Rankin J, Richter W, Neptune R
J Biomech . 2011 Mar; 44(7):1246-52. PMID: 21397232
Manual wheelchair propulsion places considerable physical demand on the upper extremity and is one of the primary activities associated with the high prevalence of upper extremity overuse injuries and pain...
6.
Rankin J, Kwarciak A, Richter W, Neptune R
J Biomech . 2010 Aug; 43(14):2771-9. PMID: 20674921
Manual wheelchair propulsion has been linked to a high incidence of overuse injury and pain in the upper extremity, which may be caused by the high load requirements and low...
7.
Richter W, Rodriguez R, Woods K, Axelson P
Arch Phys Med Rehabil . 2007 Jan; 88(1):81-7. PMID: 17207680
Objectives: To investigate the natural stroke patterns of wheelchair users pushing on a level surface, to determine if users adapt their stroke patterns for pushing uphill, and to assess whether...
8.
Richter W, Rodriguez R, Woods K, Axelson P
Arch Phys Med Rehabil . 2007 Jan; 88(1):76-80. PMID: 17207679
Objective: To test the hypothesis that pushing on a cross slope leads to increased handrim loading compared with that found on a level surface. Design: Case series. Setting: Biomechanics laboratory....
9.
Richter W, Rodriguez R, Woods K, Karpinski A, Axelson P
Arch Phys Med Rehabil . 2006 Dec; 87(12):1643-7. PMID: 17141646
Objective: To test the hypothesis that finger and wrist flexor activity is lower when pushing with a high-friction flexible handrim than with a standard uncoated handrim. Design: Case series. Setting:...
10.
Richter W, Axelson P
J Rehabil Res Dev . 2005 Oct; 42(3 Suppl 1):21-33. PMID: 16195960
Incidence of upper-limb overuse injuries among the manual wheelchair population has been found to be associated with hand-rim loading characteristics such as impact and peak loading on the hand rim...