Work Design Interventions for Heat Resilience

N/ANot Yet RecruitingNCT06599788

State University of New York at Buffalo32 enrolled

Overview

The goal of this project is to compare different ways to schedule a workday to see if older workers should follow a specific work protocol to reduce strain on the heart and muscles. Participants will come to the lab a total of six times. During four of the visits participants will complete a box carrying task, simulating unloading a delivery truck. This will take place in a hot and humid room to simulate being outdoors during the summer.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

PREVENTION

Masking

NONE

Enrollment

Conditions

Hyperthermia Fatigue; Heat Work-Related Condition

Interventions

Standard work paceBEHAVIORAL

Participants will work at a standard pace of one box per minute during the box carrying protocol

Reduced-pace workBEHAVIORAL

Participants will work at a slower pace than the standard work pace of the box carrying protocol

Increased-pace workBEHAVIORAL

Participants will work at a faster pace than the standard work pace of the box carrying protocol

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Healthy individuals * 18-29 years old and 40-65 years old * Completes at least 120 minutes of moderate to vigorous physical activity each week for at least the past 4 weeks * Resistance trained or have recently held a job involving box carrying or a similar task Exclusion Criteria: * History of cardiovascular, metabolic, respiratory, neural, or renal disease * Hypertensive (systolic blood pressure \> 139 mmHg or diastolic blood pressure \> 89 mmHg) or tachycardic (resting heart rate \> 100 bpm) during the screening visit * Current nicotine use or previous use within the past 6 months * Current of previous musculoskeletal injury limiting physical activity * A positive pregnancy test at any point during the study * Currently breastfeeding * Study physician discretion based on any other medical condition or medication

Outcomes

Primary Outcomes

Cardiac Troponin

Serum cardiac troponin concentration

Time frame: 2 hours following work protocol, approximately 6 hours into the trial

Maximum Core Temperature

Highest core temperature attained during the work protocol

Time frame: End of work protocol, approximately 4 hours into the trial

Central Contacts

Riana Pryor

CONTACT

716-829-5456 rpryor@buffalo.edu

Data from ClinicalTrials.gov

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