Videographic determination of instantaneous center of rotation using a hinge joint model.
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Biomechanical Phenomena↗
Biomedical subjects
R H Deusinger
Publications and source records attributed to R H Deusinger.
Comparison of sacrospinalis myoelectric activity and pain levels in patients undergoing static and intermittent lumbar traction.
The purposes of this study of low back pain patients were to determine: 1) if presence of sacrospinalis myoelectric activity is a consistent phenomenon in supine and prone positions; 2) if there is a difference between magnitudes of myoelectric activity for two types of lumbar traction (static and intermittent); and 3) if there is a difference in patient perceived pain level after traction between the two types of traction. Results show that surface electrode myoelectric activity is absent in resting supine and prone positions, there is no significant difference in magnitude of myoelectric activity between the two different types of traction, and more than 50% of patients in both traction groups experienced decreased pain after traction.
Adult↗
Biomechanical considerations for clinical application in athletes with low back pain.
Biomechanical concepts of the effects of lumbar spine load transmission, flexion and extension stresses, contact pressure in facet joints, and load transmissibility function of intervertebral discs are presented. These concepts serve as a basis for discussion of some innovative approaches to treatment of low back pain in the athlete. In addition, explanations of extremes of spinal extension and flexion related to back pain, coupling mechanisms as a basis for spinal motion, and discogenic pain as the primary etiology for back pain in athletes are offered.
Athletic Injuries↗
Biomechanics in clinical practice.
Evidence from dynamic biomechanical analyses of physical activities has greatly expanded our knowledge about the mechanical bases for human movement function with potential implications for further understanding movement dysfunction. The purpose of this review is to relate these findings to present knowledge about the effect on human joints during movement, the role of muscle action on human skeletal levers during movement, and the application of this information to functional tasks by physical therapy clinicians. Also presented are some thoughts regarding what must be accomplished so that this material can be generalized to clinical practice.
Ankle Joint↗
An automated accelerometry system for gait analysis.
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Arthritis, Rheumatoid↗