Relationship between how much of the arm is missing and balance, neck/back pain, daily activities, and reaction time in people with a unilateral upper limb amputation
Official title: The Relationship Between Lost Extremity Percentage and Postural Control, Neck and Low Back Pain, Daily Living Activities, and Reaction Time in Individuals With Unilateral Upper Limb Amputation
Run by Hacettepe University · NCT07677969 · Data updated 2026-11-12
This study will see if the amount of arm loss relates to balance, neck and back pain, daily tasks, hand dexterity, and reaction time in adults who use a myoelectric or bionic prosthesis.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years to 65 Years |
| Sex | All |
| Enrollment | 15 (estimated) |
| Sponsor | Hacettepe University Academic / other |
| Locations | 1 site (Ankara) |
| Status | Recruiting |
| Started | January 1, 2026 |
| Main results expected | August 1, 2026 |
| Study ends | December 1, 2026 |
| Registry record updated | July 1, 2026 |
| Trial ID | NCT07677969 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults 18–65 with unilateral upper limb amputation using a myoelectric or bionic prosthesis for at least 3 months.
✕Probably not a fit
Individuals with bilateral amputations, non‑prosthesis users, or those with confounding neurological or orthopedic conditions may not experience direct benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study analyzes how the percentage of unilateral upper limb amputation relates to functional outcomes such as postural control, pain, daily living activities, hand dexterity, and reaction time. Participants aged 18–65 who wear a myoelectric or bionic prosthesis for at least a year will undergo non‑invasive assessments in a single session, including force‑platform postural measurements, posture analysis, pain rating, a daily activities questionnaire, the Box and Block Test for dexterity, and a reaction‑time task. No interventions or treatments are given; results will describe associations rather than cause and effect. The study is conducted at Hacettepe University in Ankara, under the lead sponsor and with no listed collaborators.
Why it matters
Potential benefit: If relationships are identified, results could inform rehabilitation approaches and prosthesis design to improve balance, pain management, and daily functioning.
How similar studies have gone: Limited prior research has explored how the extent of limb loss influences these outcomes, making this study relatively novel in its specific focus.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Adults aged 18-65 years * Unilateral upper limb amputation * Use of a myoelectric or bionic prosthesis for at least 1 year * Current prosthesis use for a minimum of 3 months Exclusion Criteria: * Bilateral upper limb amputation * Additional amputation of another limb * Use of passive or cosmetic prosthesis * Presence of neurological or other significant orthopedic disorders unrelated to amputation
Where it's running
-
Hacettepe university
Ankara, Turkey (Türkiye) Recruiting
Study contacts
- Study coordinator: ASLI BEBEK, MSc
- Email: aslisabanci97@gmail.com
- Phone: +905364037230
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.