Electromyography and kinematic changes of gait cycle at different cadences in diabetic neuropathic individuals

Introduction: Changes in gait cadence caused by challenging situations in daily life might induce higher demand for strength and propulsion in diabetic neuropathic (DN) subjects. Methods: Forty‐six subjects (healthy and DN) walked at two cadences (self‐selected and 25% higher). Kinematic and electro...

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Bibliographic Details
Published in:Muscle & nerve 2011-08, Vol.44 (2), p.258-268
Main Authors: Gomes, Aline A., Onodera, Andrea N., Otuzi, Mitie E.I., Pripas, Denise, Mezzarane, Rinaldo André, N. Sacco, Isabel C.
Format: Article
Language:English
Subjects:
Adult
Aged
Ankle Joint - physiopathology
Biological and medical sciences
Biomechanical Phenomena - physiology
cadence
Diabetes. Impaired glucose tolerance
Diabetic Neuropathies - physiopathology
diabetic neuropathy
Electrodiagnosis. Electric activity recording
Electromyography
electromyography (EMG)
Endocrine pancreas. Apud cells (diseases)
Endocrinopathies
Female
gait
Gait - physiology
Humans
Investigative techniques, diagnostic techniques (general aspects)
kinematics
Male
Medical sciences
Middle Aged
Muscle, Skeletal - physiopathology
Nervous system
Range of Motion, Articular - physiology
Walking - physiology
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Summary:Introduction: Changes in gait cadence caused by challenging situations in daily life might induce higher demand for strength and propulsion in diabetic neuropathic (DN) subjects. Methods: Forty‐six subjects (healthy and DN) walked at two cadences (self‐selected and 25% higher). Kinematic and electromyographic data were obtained from lower limbs and compared across the gait cycle. Results: DN subjects showed a delayed peak in plantarflexor activity along the whole cycle (irrespective of cadence) compared with healthy subjects. However, during the imposed cadence, DN individuals showed reduced ankle range of motion along the entire cycle compared with the self‐selected condition and healthy individuals walking at both cadences (P = 0.002). Conclusions: These findings suggest that when diabetic individuals face a new challenging situation that induces a higher demand for muscle strength and propulsion, the necessary range of motion and neuromuscular control around distal joints are insufficient. Muscle Nerve, 2011
ISSN:0148-639X
1097-4598
DOI:10.1002/mus.22051