CHPS RESEARCH STUDIES

Grip Strength and Brain Stimulation Study For Older Adults

Maximal grip strength is considered a biomarker of healthy brain aging among older adults. With this, little has been done to analyze how the brain influences muscle activity during a grip strength test. This research is being done to better understand how your brain controls your gripping muscles during grip strength tests, with the goal of comparing these measures between older adults who have strong and weak grip strength. We are also looking to explore a new targeted brain stimulation protocol to influence grip strength performance among older adults. This study will help UCF researchers understand the neuromuscular underpinnings of grip strength performance and investigate the extent to which grip strength can be influenced by the isolated brain intervention protocol.

Inclusion Qualifications:

Healthy adult aged ≥ 60 years , with a body mass index between 5-35.0 kg/m².
Willingness to comply with exercise, caffeine, and alcohol requirements.
Willingness to perform maximal grip strength testing
Have no other major underlying health concerns and circumstances as described in the pre-enrollment health screen administered before enrollment.

Exclusion Qualifications:

You may not participate in this research opportunity if any of the following applies to you:

(You may not participate in this study if any of the following applies to you)

History of major musculoskeletal injury or surgery within the last year
Diagnosed degenerative disease (e.g., Parkinson’s, MS, ALS)
Uncontrolled metabolic diseases (e.g., diabetes, thyroid disorder, metabolic syndrome)
Uncontrolled epilepsy/seizures
Trouble using or controlling one’s muscles
Recent cancer diagnosis (within the last 6 months)
History of stroke
Recent history of heart attack (within the last 6 months)
Recent history of arthritis in hand joints ( within the last 6 months)
Use of an assistive walking device or mobility aid within the previous six months
Use of anabolic steroids within the past six months
History of convulsions, seizures, or syncope
History of concussion, as diagnosed by physician
Certain medications (e.g., muscle relaxants, benzodiazepines)
Allergy to sodium chloride solution
Allergy to rubbing alcohol
Metal implant in the skull
Diagnosis of any psychiatric condition
Use of hormone therapy within the past six months
Non-binary gender identity or gender identity not consistent with biological sex

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