Work-To-Rest Ratios

University at Buffalo (UB)

Status: Completed

Conditions: Hyperthermia

Treatments: Other: Work to rest cycles of 20:10 minutes; Other: Work to rest cycles of 40:20 minutes

Study type: Interventional

Funder types: Other

Identifiers

NCT05327764

STUDY00006115

Details and patient eligibility

About

The purpose of the study is to compare physiological responses to two hours of work adhering to two variations of a work-to-rest ratio in a hot environment.

Enrollment: 15 patients

Sex: All

Ages: 18 to 39 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Healthy 18-39 year old individuals
• Physically active

Exclusion criteria

• History of cardiovascular, metabolic, respiratory, neural, or renal disease
• Hypertensive or tachycardic during the screening visit (systolic blood pressure ≥ 140 mmHg, diastolic blood pressure ≥ 90 mmHg, resting heart rate ≥ 100 bpm)
• Taking medication or supplements with a known side effect of affecting physiologic responses to exercise (e.g., acetaminophen, beta blockers, statins, aspirin)
• Any form of tobacco or nicotine use in the past six months
• Current musculoskeletal injury impacting physical activity
• A positive pregnancy test at any point in the study
• Study physician discretion based on any other medical condition or medication

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: None (Open label)

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15 participants in 2 patient groups

40:20

Active Comparator group

Description:

Walking for 40 minutes, resting for 20

Treatment:

Other: Work to rest cycles of 40:20 minutes

20:10

Experimental group

Description:

Walking for 40 minutes, resting for 20

Treatment:

Other: Work to rest cycles of 20:10 minutes