Reliability of Handgrip Fatiguing Protocol

Reliability of Handgrip Fatiguing Protocol

The purpose of this study is to examine the reliability of an intermittent handgrip fatiguing protocol. This protocol consists of repeated maximal effort isometric contractions using a handgrip dynamometer.

This study will consist of four visits. The first visit will consist of informed consent, eligibility questionnaires, demographics, and ultrasound images of the forearm. The second visit will consist of anthropometrics (height, weight, and body composition), followed by familiarization with the study protocol. The third and fourth visits will be testing visits and will consist of maximal voluntary contractions (MVC) with the handgrip dynamometer, the intermittent handgrip fatiguing protocol, and three recovery MVCs. Temperature and muscle tissue oxygenation will also be assessed via a skin temperature probe and near infrared spectroscopy (NIRS).

Visits 2-4 must be completed at the same time of day and separated by at least 24-48 hours. Each visit will take approximately 30-45 minutes.

Inclusion Qualifications:

  • Male or female between the ages of 18-55 years old
  • Healthy as determined by the PAR-Q+
  • Free of any physical limitations

Exclusion Qualifications:

You may not participate in this research opportunity if any of the following applies to you:
  • Has physical limitations, including injuries, that prohibit participant from performing any assessment associated with this study
  • Unhealthy as determined by the PAR-Q+

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UCF IRB#: STUDY00004248
PI: Justine Renziehausen
IRB Expiration June 21, 2023
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Recruitment End Date:
September 20, 2022
Education Complex
4000 Central Florida Blvd.
174b (POWER lab)
Orlando, FL 32816
Time Commitment:
Number of visits: 4
Expected time per visit: 45 minutes
Point of Contact:
Justine Renziehausen
Faculty Advisors:
David Fukuda
Associated Units:
Exercise Physiology & Rehabilitation Science
Related Tags:
Short URL:

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