title: Comparison of the acute impact of maximal arm and leg aerobic exercise on arterial stiffness.
abstract: Acute aerobic exercise decreases arterial stiffness based on the intensity of the exercise and the arterial segment studied. Arm exercise may differentially affect arterial stiffness compared to leg exercise but this has not been studied. We hypothesized that maximal aerobic exercise would reduce local peripheral pulse wave velocity i.e. femoral-dorsalis pedis (LPWV) following leg exercise and carotid-radial (APWV) following arm exercise without any crossover effect. The main purpose of the study is to compare the effects of maximal arm versus leg aerobic exercise on peripheral and central arterial stiffness. Fifteen healthy participants (9 males and 6 females, 25 ± 5 years) performed maximal arm-ergometer and leg-ergometer exercise in a randomized, crossover design. Peripheral and central pulse wave velocities (PWV) were obtained using applanation tonometry before and 10 min after each maximal exercise bout. 2 × 2 repeated measures analysis of variance was used to detect differences between conditions. There was a significant interaction in the APWV between the two exercise modes. However, there was no condition or interaction effect on LPWV following maximal arm versus leg exercise. There was no significant difference in central PWV between conditions or with time. There was no change in MAP (75 ± 6-77 ± 3) after maximal arm exercise as compared to the maximal leg exercise (73 ± 6-80 ± 2). Arm exercise produced a more generalized effect on arterial stiffness than leg exercise. The prescription of upper limb exercise may be considered for purposes of eliciting post-exercise systemic changes in arterial stiffness.
authors.affiliation: Exercise and Cardiovascular Research Laboratory, Department of Kinesiology and Community Health, Rehabilitation Education Center, University of Illinois at Urbana-Champaign, 1207 S. Oak St., Champaign, IL, 61820, USA. sranad2@illinois.edu
authors.forename: S M
authors.initials: SM
authors.lastname: Ranadive
authors.forename: C A
authors.initials: CA
authors.lastname: Fahs
authors.forename: H
authors.initials: H
authors.lastname: Yan
authors.forename: L M
authors.initials: LM
authors.lastname: Rossow
authors.forename: S
authors.initials: S
authors.lastname: Agiovlasitis
authors.forename: B
authors.initials: B
authors.lastname: Fernhall
mesh_terms: D000328:Adult; D001132:Arm / Q000098:blood supply / Q000502:physiology*; D001158:Arteries / Q000502:physiology*; D055119:Elastic Modulus / Q000502:physiology; D005260:Female; D006801:Humans; D007866:Leg / Q000098:blood supply / Q000502:physiology*; D008297:Male; D010807:Physical Endurance / Q000502:physiology*; D005082:Physical Exertion / Q000502:physiology*; D014655:Vascular Resistance / Q000502:physiology
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