Bipedal vs. Unipedal Exercises in Chronic Ankle Instability

Recruiting now · Not applicable

Conditions studied: Instability; Ankle (Ligaments) (Old Injury)

In brief

Ankle sprain is a commonly encountered condition in clinical practice, constituting approximately 15-30% of all musculoskeletal injuries. Long-term studies have demonstrated that up to 73% of patients experience at least one more ankle sprain following an acute ankle sprain. Inadequate treatment of acute ankle instability can lead to chronic ankle instability (CAI) in 30-70% of cases. Treatment approaches for CAI are classified into conservative and surgical methods. Typically, conservative treatment is initially employed to address proprioceptive deficits and static impairments. Passive, unidirectional treatments such as injections, electrotherapy, and ice, which do not target muscle strength, kinetic chain, tendon capacity, and cortical control, are reported to be insufficient or ineffective in treating CAI, relying solely on symptomatic relief. Therefore, therapeutic exercises are fundamental in CAI treatment, leading to positive developments in parameters such as strength, dynamic balance, functional status, quality of life, and injury risk. Among the most commonly used exercise approaches are proprioceptive and resistive exercises. Upon reviewing the literature, it is observed that bipedal exercises have been employed from the early stages of CAI. However, due to clinical symptoms such as pain, insecurity, and fear associated with loading the affected limb, patients tend to avoid putting weight on the affected limb, resulting in the frequent use of bipedal exercises in the early phases of rehabilitation. The aim of this study is to comparatively examine the effectiveness of unipedal exercise interventions used in the early stages of rehabilitation for individuals with CAI in terms of pain, functional stability, fear avoidance, disease severity, functional performance, balance, and patient satisfaction, in comparison to bipedal exercise interventions.

Key facts

Study ID

NCT06244511

Run by

Istanbul University - Cerrahpasa

People needed

40

Starts

2024-03-04

Expected to finish

2026-07-01

Last updated by the study team

2025-03-24

Who can join

Age: 18 and older, up to 50. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• The documented unilateral ankle instability confirmed through clinical examinations (drawer test, talar tilt test) and MRI in cases requiring differential diagnosis.
• A history of an initial ankle sprain occurring at least 6 months ago.
• The presence of a recurrent sense of giving way that started at least 6 months ago and has been intermittently persistent.

You may not qualify if…

• Presence of a history of previous surgery in the lower extremity.
• Identification of organic and non-organic lesions such as cartilage injuries, periarticular tendon tears, and impingement syndromes.
• The existence of a fracture accompanying instability in the foot-ankle.
• Presence of congenital deformities in the foot-ankle.
• Diagnosis of talus osteochondral lesion.
• Diagnosis of ankle arthritis.
• Presence of medial ligament lesion.
• Existence of peripheral neuropathy.
• Presence of additional rheumatological diseases.
• Regular moderate-level exercise for at least 3 days a week in the last 6 months.

Where it is running

• Acibadem Mehmet Ali Aydinlar University — Istanbul, Turkey (Türkiye) (enrolling)

Full record on ClinicalTrials.gov

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