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Active Versus Passive Sitting, Cognition and Energy
Differences in Muscle Utilization, Tissue Pressure, Cognitive Performance, and Caloric Output Among Active and Passive Sitting Positions.
Who can join
Ages 18 to 70 · All sexes · Healthy volunteers welcome
Full eligibility criteria
Inclusion Criteria: * Adult (18-70) Exclusion Criteria: * Any current injury in the lower limb or trunk. * Use of prescription drugs or supplements that may affect cardiovascular or neuromuscular responses. * Reported lack of sleep or stress that may affect physiological responses to exercise. * Cardiovascular, respiratory, neurologic, balance, metabolic, or musculoskeletal conditions that could increase risk during exercise testing
About the study
The study will compare cognitive capacity, muscle utilization patterns, soft tissue seated pressure and caloric output during four seated conditions:
1. passive sitting in a regular chair; 2. passive sitting in an exercise chair; 3. sitting in the exercise chair during active dynamic exercise; and, 4. sitting in the chair during active static exercise.
What is being tested
- Chaircise (behavioral)
- Chaircise + Dynamic Leg Exercise (behavioral)
- Chaircise + Static Leg Exercise (behavioral)
Sponsor: University of Miami · Participants: 35 · Started: Jun 23, 2026
Contact the study team
- Joseph Signorile J Joseph Signorile, PhD · Phone: 3058981458
- Ethan J Elkins, MS · Phone: 3052844173
Official record on ClinicalTrials.gov — NCT07699848
Locations in the U.S.
| Florida | Laboratory of Neuromuscular Research and Active Aging, Coral Gables |
From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.