Document Detail

Strength training increases walking tolerance in intermittent claudication patients: randomized trial.
MedLine Citation:
PMID:  19837534     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To analyze the effects of strength training (ST) in walking capacity in patients with intermittent claudication (IC) compared with walking training (WT) effects.
METHODS: Thirty patients with IC were randomized into ST and WT. Both groups trained twice a week for 12 weeks at the same rate of perceived exertion. ST consisted of three sets of 10 repetitions of whole body exercises. WT consisted of 15 bouts of 2-minute walking. Before and after the training program walking capacity, peak VO(2), VO(2) at the first stage of treadmill test, ankle brachial index, ischemic window, and knee extension strength were measured.
RESULTS: ST improved initial claudication distance (358 +/- 224 vs 504 +/- 276 meters; P < .01), total walking distance (618 +/- 282 to 775 +/- 334 meters; P < .01), VO(2) at the first stage of treadmill test (9.7 +/- 2.6 vs 8.1 +/- 1.7; P < .01), ischemic window (0.81 +/- 1.16 vs 0.43 +/- 0.47 mm Hg minute meters(-1); P = .04), and knee extension strength (19 +/- 9 vs 21 +/- 8 kg and 21 +/- 9 vs 23 +/- 9; P < .01). Strength increases correlated with the increase in initial claudication distance (r = 0.64; P = .01) and with the decrease in VO(2) measured at the first stage of the treadmill test (r = -0.52; P = .04 and r = -0.55; P = .03). Adaptations following ST were similar to the ones observed after WT; however, patients reported lower pain during ST than WT (P < .01).
CONCLUSION: ST improves functional limitation similarly to WT but it produces lower pain, suggesting that this type of exercise could be useful and should be considered in patients with IC.
Raphael Mendes Ritti-Dias; Nelson Wolosker; Cláudia Lúcia de Moraes Forjaz; Celso Ricardo Fernandes Carvalho; Gabriel Grizzo Cucato; Pedro Puech Leão; Maria de Fátima Nunes Marucci
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2009-10-17
Journal Detail:
Title:  Journal of vascular surgery     Volume:  51     ISSN:  1097-6809     ISO Abbreviation:  J. Vasc. Surg.     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2010-02-01     Completed Date:  2010-02-23     Revised Date:  2012-10-03    
Medline Journal Info:
Nlm Unique ID:  8407742     Medline TA:  J Vasc Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  89-95     Citation Subset:  IM    
Copyright Information:
Copyright 2010 Society for Vascular Surgery. Published by Mosby, Inc. All rights reserved.
School of Physical Education, University of Pernambuco, Pernambuco, Brazil.
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MeSH Terms
Ankle / blood supply
Blood Pressure
Brachial Artery / physiopathology
Exercise Tolerance*
Intermittent Claudication / etiology,  physiopathology,  therapy*
Ischemia / complications,  physiopathology,  therapy*
Knee / physiopathology
Lower Extremity / blood supply*
Middle Aged
Muscle Strength
Oxygen Consumption
Pain Measurement
Recovery of Function
Resistance Training*
Time Factors
Treatment Outcome
Comment In:
J Vasc Surg. 2010 Jan;51(1):95   [PMID:  20117496 ]

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