Exercise Intensity's Impact on Muscle

Study Information
Purpose of Study
To examine the time-course of changes in gene expression and protein content after different exercise intensities in human skeletal muscle.
Associated Lab
Queen’s Muscle Physiology Lab
School of Kinesiology and Health Studies - 28 Division St.
Hashim Islam, PhD Candidate.
Benefits of Participating
Free fitness assessment
Participants are given $200.

  • Adults aged 18-30
  • Recreationally active
  • Male

  • History of cardiometabolic disease (e.g. hypertension, diabetes)
  • Smokers
  • Currently taking prescription medication and/or performance enhancing supplements (e.g. creatine)
  • Currently involved in a systematic training program

What You'll Be Asked to Do:
1. 1 preliminary visit (less than 1 hour) during which participants will perform a cycling test to exhaustion (test duration is typically less than 20 minutes) 2. 2 experimental sessions (7am - 9pm, 2 weeks apart), EACH involving: 1) ~30 minute interval cycling 2) 6 muscle biopsies (3 from each leg) 3) 4 blood samples (2 from each arm) 3. Participants are free to read, use their laptops, and/or watch TV but must remain in the lab over the course of the day. 4. All meals will be provided. 5. Experimental sessions will be conducted on Mondays or Tuesdays.

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