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临床试验/NCT05899855
NCT05899855尚未招募不适用

Foot Positions Affect Knee and Ankle Proprioception, Balance, Vertical Jump, and Muscle Activity in Individuals With Flexible and Rigid Flatfoot and Chronic Ankle Instability

Beni-Suef University0 个研究点目标入组 60 人开始时间: 2023年7月1日最近更新:
适应症

试验速览

阶段
不适用
状态
尚未招募
入组人数
60
主要终点
Vertical jump measurements

研究概览

简要总结

To investigate the effect of various foot positions affect knee and ankle proprioception, balance, vertical jump, and muscle activity in individuals with flexible and rigid flatfoot and chronic ankle instability

研究设计

研究类型
Observational
观察模型
Case Crossover
时间视角
Prospective

入排标准

年龄范围
18 Years 至 24 Years(Adult)
性别
All
接受健康志愿者

入选标准

  • The inclusion criteria were the presence of FF and chronic ankle instability in the dominant foot. Flexible and rigid flat feet were initially diagnosed by an orthopedist using a weight-bearing position with a standardized radiograph technique. The digital X-ray detector (film) and the X-ray tube (source) are 35-40 inches apart in lateral views of the foot. Then, Jack's test was performed to differentiate between the flexible and rigid FF. Jack's test is a valid test in assessing FF
  • Finally, people with flexible a second degree FF (Meary's angle between 15° to 30°) 3 were included in this study. The degree of flatfoot was determined by measuring the talus-first metatarsal angle on a lateral weight-bearing radiograph. This angle lies between a line drawn from the centers of the longitudinal axes of the talus and the first metatarsal. An angle that is greater than 4° convex downward is considered pes planus with an angle of 15° - 30° considered moderate, and greater than 30° severe
  • Chronic ankle instability was defined as the subject had a minimum of 2 acute ankle sprains, in the last 6 months, associated with pain, swelling, and a record of various ankle giving way. The determination of the dominant foot followed Vauhnik. & ark, modified version which stated that the dominant foot should be used minimally in 2 of the 3 subsequent activities: (1) Using the leg to step over a spider toy, (2) Drawing a diamond figure on the ground and (3) Kicking a ball.

排除标准

  • The exclusion criteria were the existence of limited hallux dorsiflexion because Jack's test is valid only if hallux dorsiflexion is available during relaxed standing. Also, the participants were excluded if they had previous hip, pelvis, knee, or foot surgeries within the last year; obesity or pregnancy; leg-length discrepancies; has any vestibular disorder neurological disorder, brain concussion within the last 3 months that may cause balance impairment; or administering any drugs that could disturb alertness or balance.

结局指标

主要结局

Vertical jump measurements

时间窗: 2-3 months

Vertical jump measurements

Electromyographical activity (EMG)

时间窗: 2-3 months

Electromyographical activity (EMG)

knee proprioception

时间窗: 2-3 months

knee proprioception

ankle proprioception

时间窗: 2-3 months

ankle proprioception

次要结局

未报告次要终点

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Ayman Mohamed

Beni-Suef University

Beni-Suef University

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