TY - JOUR
T1 - Strength training increases walking tolerance in intermittent claudication patients
T2 - randomized trial
AU - Ritti-Dias, Raphael Mendes
AU - Wolosker, Nelson
AU - de Moraes Forjaz, Cláudia Lúcia
AU - Carvalho, Celso Ricardo Fernandes
AU - Cucato, Gabriel Grizzo
AU - Leão, Pedro Puech
AU - de Fátima Nunes Marucci, Maria
N1 - Copyright 2010 Society for Vascular Surgery. Published by Mosby, Inc. All rights reserved.
PY - 2010/1
Y1 - 2010/1
N2 - 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 mL.kg(-1).minute; 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.
AB - 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 mL.kg(-1).minute; 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.
KW - Aged
KW - Ankle/blood supply
KW - Blood Pressure
KW - Brachial Artery/physiopathology
KW - Exercise Tolerance
KW - Female
KW - Humans
KW - Intermittent Claudication/etiology
KW - Ischemia/complications
KW - Knee/physiopathology
KW - Lower Extremity/blood supply
KW - Male
KW - Middle Aged
KW - Muscle Strength
KW - Oxygen Consumption
KW - Pain Measurement
KW - Recovery of Function
KW - Resistance Training
KW - Time Factors
KW - Treatment Outcome
KW - Walking
U2 - 10.1016/j.jvs.2009.07.118
DO - 10.1016/j.jvs.2009.07.118
M3 - Article
C2 - 19837534
SN - 0741-5214
VL - 51
SP - 89
EP - 95
JO - Journal of Vascular Surgery
JF - Journal of Vascular Surgery
IS - 1
ER -