How hip abductor muscle control relates to balance and walking in aging and Parkinson's disease

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is an observational study that measures hip abductor muscle force production and force control (steadiness) in healthy young, middle-aged, and older adults, and in people with idiopathic Parkinson's disease (Hoehn and Yahr stages 1–3). Participants will complete muscle testing along with standardized balance, gait, and postural control measures, and include only those able to walk 10 meters independently and follow instructions. The study will exclude people with other neurologic, significant musculoskeletal, psychiatric, immune, integumentary, or uncontrolled cardiovascular conditions, and those with lower‑limb pain. Data will be analyzed to see whether hip abductor force characteristics are associated with frontal-plane balance and walking performance across age groups and in PD.

Why it matters

Who can join: the full rules

Healthy people

Inclusion Criteria:

* 20 to 39 years (young), 40 to 59 years (young), and 60-85 years (old)
* generally in good health
* able to walk 10 m independently
* able to follow all instructions

Exclusion Criteria:

* neurologic, psychiatric, immune, integumentary, and musculoskeletal diseases or disorders which might influence this study
* any pain over the lower extremities
* uncontrolled cardiovascular diseases
* unable to provide informed consent.

PD

Inclusion Criteria:

* clinical diagnosis of idiopathic PD
* Hoehn and Yahr stages 1 to 3
* stable anti-PD medications
* able to walk 10 m independently
* able to follow all instructions

Exclusion Criteria:

* psychiatric, immune, integumentary, and musculoskeletal diseases or disorders which might influence this study
* neurological conditions other than PD
* any pain over the lower extremities
* uncontrolled cardiovascular diseases
* unable to provide informed consent.

Where it's running

• Chang Gung Memorial Hospital
  Taoyuan, Taiwan Recruiting
• Chang Gung University
  Taoyuan, Taiwan Recruiting

Study contacts

• Principal investigator: Chu-Ling Yen — Chang Gung University
• Study coordinator: Chu-Ling Yen
• Email: clyen@mail.cgu.edu.tw
• Phone: 886-3-2118800

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.