Electrical stimulation-evoked resistance exercise therapy improves arterial health after chronic spinal cord injury.

Electrical stimulation-evoked resistance exercise therapy improves arterial health after chronic spinal cord injury. Research Abstract Details 

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Electrical stimulation-evoked resistance exercise therapy improves arterial health after chronic spinal cord injury. Abstract Text:

L Stoner,M J Sabatier,E T Mahoney,G A Dudley,K K McCully,

STUDY DESIGN: Repeated measures training intervention. OBJECTIVES: To evaluate the effects of neuromuscular electrical stimulation (NMES)-induced resistance exercise therapy on lower extremity arterial health in individuals with chronic, complete spinal cord injury (SCI). We define "arterial health" using three surrogate markers: (a) resting diameter, (b) flow-mediated dilation (FMD), and (c) arterial range. SETTING: Department of Kinesiology, University of Georgia, USA. METHODS: We assessed five 36+/-5-year-old male individuals with chronic, complete SCI before, during, and after 18 weeks of training. The quadriceps femoris muscle group of both legs were trained twice a week with 4 x 10 repetitions of unilateral, dynamic knee extensions. The health of the posterior tibial artery was assessed using a B-mode ultrasound unit equipped with a high-resolution video capture device. Proximal occlusion was used to evoke ischemia for 5 min and then for 10 min. FMD was calculated using the peak diameter change (above rest) following 5 min occlusion. Arterial range was calculated using minimum (during occlusion) and maximum diameters (post 10 min occlusion). Hierarchical linear modeling accounted for the nested (repeated measures) experimental design. RESULTS: FMD improved from 0.08+/-0.11 mm (2.7%) to 0.18+/-0.15 mm (6.6%) (P=0.004), and arterial range improved from 0.36+/-0.28 to 0.94+/-0.40 mm (P=0.001), after 18 weeks of training. Resting diameter did not significantly change. CONCLUSIONS: Home-based, self-administered NMES resistance exercise therapy consisting of 80 contractions/week improved FMD and arterial range. This provides evidence that resistance exercise therapy can improve arterial health after SCI, which may reduce the risk of future cardiovascular disease.

Electrical stimulation-evoked resistance exercise therapy improves arterial health after chronic spinal cord injury. Publishing Authors By Initials

L Stoner,MJ Sabatier,ET Mahoney,GA Dudley,KK McCully,

For similar diagnosis: diagnostic techniques and procedures: diagnostic imaging: ultrasonography research abstracts see: diagnosis: diagnostic techniques and procedures: diagnostic imaging: ultrasonography research

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Electrical stimulation-evoked resistance exercise therapy improves arterial health after chronic spinal cord injury. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Spinal cord : the official journal of the Internat

VOLUME: 45

Page Numbers: 49-56

Journal Abbreviation: Spinal Cord

ISSN: 1362-4393

DAY: 23

MONTH: 05

YEAR: 2006

Electrical stimulation-evoked resistance exercise therapy improves arterial health after chronic spinal cord injury. Information

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LANGUAGE: eng

NlmUniqueID: 9609749

Electrical stimulation-evoked resistance exercise therapy improves arterial health after chronic spinal cord injury. Keywords Mesh Terms:

KEYWORDS: Ultrasonography

MESH TERMS: methods

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Grant and Affiliation Information for Electrical stimulation-evoked resistance exercise therapy improves arterial health after chronic spinal cord injury.

AFFILIATION: Department of Kinesiology, University of Georgia, Ramsey Center, Athens, GA 30602-6552, USA.

Country: England

AGENCY: United States NHLBI

GRANT: HL 65179

ACRONYM: HL

MEDLINETA: Spinal Cord

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