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
SKHS Kingston, ON.
Hashim Islam
Benefits of Participating
Free fitness assessment
Participants are given $200.

1. Adults aged 18-30 2. Recreationally active 3. Male
1. History of cardiometabolic disease (e.g. hypertension, diabetes) 2. Smokers 3. Currently taking prescription medication and/or performance enhancing supplements (e.g. creatine) 4. Currently involved in a systematic training program
Participant Expectations
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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