Absence of cardiovascular drift during prolonged arm-crank exercise in individuals with spinal cord injury

Study design: Observational study Objective To investigate the effects of prolonged arm-crank exercise on cardiovascular drift (CV drift ) in spinal cord injury (SCI). Setting This is a community-based supervision study Methods Ten participants with motor -complete or incomplete SCI (lesion level T7...

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Bibliographic Details
Published in:Spinal cord 2019-11, Vol.57 (11), p.942-952
Main Authors: Horiuchi, Masahiro, Fukuoka, Yoshiyuki
Format: Article
Language:English
Subjects:
631/443/1338/2729
692/700/565/491
Adult
Anatomy
Arm
Arm - physiology
Biomedical and Life Sciences
Biomedicine
Blood circulation
Blood flow
Blood Flow Velocity - physiology
Drift
Exercise Test - methods
Exercise Therapy - methods
Female
Heart rate
Heart Rate - physiology
Human Physiology
Humans
Lumbar Vertebrae
Male
Muscles
Neurochemistry
Neuropsychology
Neurosciences
Oxygen consumption
Oxygen Consumption - physiology
Oxygen uptake
Paraplegia - diagnosis
Paraplegia - physiopathology
Paraplegia - rehabilitation
Physical training
Skin
Skin temperature
Spinal cord injuries
Spinal Cord Injuries - diagnosis
Spinal Cord Injuries - physiopathology
Spinal Cord Injuries - rehabilitation
Thigh
Thoracic Vertebrae
Young Adult
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Summary:Study design: Observational study Objective To investigate the effects of prolonged arm-crank exercise on cardiovascular drift (CV drift ) in spinal cord injury (SCI). Setting This is a community-based supervision study Methods Ten participants with motor -complete or incomplete SCI (lesion level T7–L1), and 10 able-bodied (AB) participants matched for age performed a 40-min arm-crank exercise at an intensity of 50% of peak oxygen uptake (VO 2 ). Results During the exercise, there were no significant differences between the groups in VO 2 , tissue O 2 saturation in the biceps brachii (active muscle), and chest and arm skin temperature (all P  > 0.05). In the AB, heart rate (HR) increased within the first 15 min of the exercise and continued to increase until the end of the exercise; however, in the SCI, HR increased within first 15 min of the exercise and then remained constant until the end of exercise. After 10 min of exercise, thigh skin temperature had increased more in the SCI than in the AB ( P  
ISSN:1362-4393
1476-5624
DOI:10.1038/s41393-019-0301-5