FindTrial
Sign In

Bright light influence on blood vessel response to hand exercise

Bright light influence on vasodilation induced by dynamic handgrip exercise

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-5msn9mw
Enrollment
Unknown
Registered
2021-12-02
Start date
2021-06-01
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy young adult

Interventions

A single group of 12 subjects will come to the laboratory once and in this visit they will undergo 3 experimental conditions (randomized crossover study): 1 condition is under bright light (CE ~5000 l
G11.427.590.530.698.277
G14.020

Sponsors

Escola de Educação Física e Esporte da Universidade de São Paulo
Lead Sponsor
Escola de Educação Física e Esporte da Universidade de São Paulo
Collaborator

Eligibility

Sex/Gender
Male
Age
20 Years to 39 Years

Inclusion criteria

Inclusion criteria: Men; Aging between 20 and 39 years old

Exclusion criteria

Exclusion criteria: Body mass index higher than 30kg/m²; Blood pressure levels above139/89 mmHg; Presence of cardiovascular disease; Smoking; Be physicaly active; Use of regular medications; Take supplements; Presence of an extreme chronotypes

Design outcomes

Primary

MeasureTime frame
The greater vasodilation promoted by dynamic handgrip exercise evaluated by doppler ultrasound of the braquial artery when the individuals were under bright light exposure.—

Secondary

MeasureTime frame
The greater increase of vascular conductance (Blood flow/Mean blood presure), arterial diameter (ultrasound), and lower increase of blood pressure (fotpletysmography) and heart rate (ECG) promoted by dynamic hangrip exercise when the individuals were under bright light exposure.—

Countries

Brazil

Contacts

Public ContactLeandro Brito
leandrobrito@usp.br+55-11-30918792

Outcome results

None listed

Source: REBEC (via WHO ICTRP)