Effect of ankle flossing on single-legged drop landings in athletes with chronic ankle instability

JRCT ID: jRCT1030230409

Registered date:17/10/2023

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: Ankle Sprain
• Date of first enrollment: 16/10/2023
• Target sample size: 40
• Study type: Interventional
• Intervention(s): ankle exercises with ankle joint flossing

Outcome(s)

• Primary Outcome: Foot and Ankle Ability Measure (FAAM)

Secondary Outcome

1) Postural Control: Y-Balance test (% spinomalleolus distance)
2) Jump Performance: countermovement jump height (cm)
3) Single-legged drop landing: joint angle (deg) and ground reaction force (N/kg)
4) Physical function: Weight-bearing lunge test (deg) and ankle strength (N/kg)
5) CAI-related pain: visual analogue scale (mm)
6) Self-reported fear avoidance beliefs related to CAI: the shortened versions of the Tampa Scale for Kinesiophobia

Key inclusion & exclusion criteria

• Age minimum: >= 18age old
• Age maximum: <= 30age old
• Gender: Both

Include criteria

1) Age between 18 and 30 years
2) Engaging in the same sports activity for at least 90 minutes per session and at least twice a week
3) A history of at least two repeated lateral ankle sprains, with most recent sprain occurring more than 3 months prior
4) Score of 24 or less on the Cumberland ankle instability tool

Exclude criteria

1) Sustained lower extremity neuromusculoskeletal injury in the previous 3 months
2) A history of at least one surgery on the lower extremity
3) A history of a lower extremity fracture requiring realignment
4) A history of neurological disease, vestibular or visual disturbances, or any other pathology that would impair sensorimotor performance
5) Current participation in a formal ankle joint rehabilitation program
6) Clinical examination characteristics of foot and ankle function consistent with conditions other than CAI

Related Information

• Primary Sponsor: Kawabata Masashi
• Source(s) of Monetary Support: Sanct Japan Co., Ltd.