Healthy older adult Women Essential Amino Acids, Resistance Training, Muscle Mass, Muscular Performance, Elderly Women
Conditions
Interventions
Placebo containing maltodextrin (12.8g) combined with three days a week resistance training.,Essential amino acids (12.8g) combined with three days a week resistance training.
Placebo with resistance training,Essential amino acids with resistance training
Sponsors
Fundamental Fund, Chulalongkorn University
Eligibility
Sex/Gender
Female
Age
60 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Female older adults aged 60-75 years. 2. Body Mass Index (BMI) between 18 and 25 kg/m2. 3. Handgrip strength of 18 kg or higher 4. Passed the Physical Activity Readiness Questionnaire (PAR-Q) screening; any existing medical conditions must be stable (no medication adjustments required) or well-controlled, such as hypertension. 5. No musculoskeletal or neurological disorders that could interfere with resistance training, such as myasthenia gravis, muscle atrophy, stroke, or rheumatoid arthritis. 6. No allergies to proteins or amino acids; no intake of protein supplements, dietary supplements, or medications affecting muscle mass or muscle performance within the past 3 months. 7. Did not engage in regular exercise (defined as 3 sessions per week) for at least 3 months prior to study participation. 8. Not currently participating in another research study; willing to participate in the research and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Occurrence of an unforeseen event preventing continued participation in the research (e.g., accidental injury or illness). 2. Consumption of less than 80% of the total required dosage of essential amino acids or the placebo (i.e., taking fewer than 72 out of the total 90 scheduled doses). 3. Participation in exercise training or activities outside of this research that could act as confounding factors. 4. The participant requests to withdraw or is no longer willing to continue participating in the research.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Body composition Week 0, 8, and 12 Dual-Energy X-ray Absorptiometry; DEXA,Muscle strength Week 0, 8, and 12 Isokinetic dynamometer,Blood biochemistry Week 0, 8, and 12 ELISA | — |
Secondary
| Measure | Time frame |
|---|---|
| Muscle size Week 0, 8, and 12 Ultrasound technique | — |
Countries
Thailand
Contacts
Public ContactKunanya Masodsai
Faculty of Sports Science, Chulalongkorn University
Outcome results
None listed