Examining Arm Vascular Function and Blood Flow Regulation in Row-trained Males
| Autor: | Ashley Darling, Kevin Decker, Ryan S. Garten, Jennifer Weggen, Austin C. Hogwood, Austin Michael, Ruhi Maniyar |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Male
medicine.medical_specialty genetic structures Brachial Artery Rowing Physical Therapy Sports Therapy and Rehabilitation Blood Pressure Young Adult Physical medicine and rehabilitation otorhinolaryngologic diseases medicine Humans Orthopedics and Sports Medicine Muscle Strength Water Sports Modality (human–computer interaction) Hand Strength business.industry Blood flow body regions Vasodilation medicine.anatomical_structure Regional Blood Flow Arm Upper limb Augment business Vascular function psychological phenomena and processes |
| Zdroj: | Medicine and science in sports and exercise. 51(10) |
| ISSN: | 1530-0315 |
| Popis: | Vascular function and blood flow responses to upper limb exercise are differentially altered in response to different exercise training modalities. Rowing is a unique exercise modality that incorporates the upper limbs and can significantly augment upper limb endurance, strength, and power capacity.This study sought to determine whether vascular function and blood flow regulation during handgrip exercise are altered in row-trained males.Nine young row-trained males (ROW, 20 ± 1 yr; V˙O2peak = 51 ± 2 mL·kg·min) and 14 recreationally active male controls (C: 22 ± 1 yr; V˙O2peak = 37 ± 2 mL·kg·min) were recruited for this study. Subjects performed multiple bouts of progressive rhythmic handgrip exercise. Brachial artery (BA) diameter, blood flow, shear rate, and mean arterial pressure were measured at rest and during the last minute of each exercise workload.Resting values for BA diameter, blood flow, shear rate, and mean arterial pressure were not different between groups. During handgrip exercise, the ROW group reported significantly lower BA blood flow (ROW vs C: 4 kg [146 ± 21 vs 243 ± 13 mL·min], 8 kg [248 ± 29 vs 375 ± 17 mL·min], 12 kg [352 ± 43 vs 490 ± 22 mL·min]) across all workloads when compared with controls. The examination of BA dilation, when controlled for the shear rate stimulus and evaluated across all workloads, was revealed to be significantly greater in ROW group versus controls.This study revealed that vascular function and blood flow regulation were significantly different in row-trained males when compared with untrained controls evidenced by greater shear-induced BA dilation and lower arm blood flow during progressive handgrip exercise. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|