Acute Effect of Standardized Ankle Taping on Lower Limb Asymmetry During Countermovement Jump in Healthy Judokas

Ankle sprains are among the most common musculoskeletal injuries in sports and may impair proprioception, postural control, and functional performance. Standardized ankle taping is widely used to improve joint stability and reduce the risk of recurrent injury; however, its acute effects on lower limb asymmetry during jumping remain unclear.

This interventional, within-subject study will include 40 healthy, active judokas aged 18-35 years. Participants will complete countermovement jump (CMJ) testing under two randomized conditions: without ankle taping and with standardized taping applied to the dominant ankle. Following taping, participants will complete a 5-minute familiarization walk before testing.

Biomechanical variables will be assessed using the Meloq EasyBase force platform. The primary outcome is lower limb asymmetry in net propulsive impulse during the CMJ. Secondary outcomes include asymmetry in peak propulsive force, asymmetry in peak propulsive power, and jump height.

The findings may contribute to evidence-based recommendations regarding the use of ankle taping for injury prevention and performance optimization in healthy athletes.

Inclusion criteria

• Healthy male and female judo athletes aged 18-35 years.
• Regular participation in judo training (minimum 3 training sessions per week).
• No musculoskeletal injury of the lower extremities within the previous 6 months.
• Willingness to participate and provide written informed consent.

Exclusion criteria

• Current pain or injury affecting the lower extremities or spine.
• Previous lower-limb surgery.
• Neurological, vestibular, or balance disorders.
• Allergy or intolerance to adhesive sports tape.
• Refusal or inability to provide informed consent.