Clinical trial NCT03842241: Effects of Fatigue and Foot Orthoses on Lower Extremity EMG and Biomechanics for Individuals With Flat Foot
Official title: Changes of Kinematics, Muscle Activity, Joint Contact Force of Foot Orthoses for Individual of Flat Foot After Functional Fatigue Protocol
Study type: OBSERVATIONAL
Overall status: COMPLETED
Conditions: Flexible Flatfoot
Lead sponsor: National Yang Ming Chiao Tung University
Sponsor class: OTHER
First posted: 2019-02-15
Enrollment: 19
Sex: ALL
Minimum age (years): 20
Maximum age (years): 50
Standard ages: ADULT
Accepts healthy volunteers: no
Observational model: OTHER
Time perspective: CROSS_SECTIONAL
Sampling method: PROBABILITY_SAMPLE
Study population: Flexible flatfoot

Brief summary: Determine the effects of non-custom made foot orthoses on the kinematics, muscle activity and joint contact force after fatigue and compare the rate of fatigue in flexible flat foot with and without foot orthoses


Eligibility criteria: Inclusion Criteria:

* Bilateral flexible flatfoot( navicular bone drop greater than 10 mm)

Exclusion Criteria:

* History of foot and ankle surgery, inflammatory joint disease
* History of lower extremity injury in six months
* Known pathological or neurological disorders that could affect gait pattern

Primary outcomes:
measure: Lower extremities kinetic
timeFrame: 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed, after one week, 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed
measure: Peak and average amplitude during stance phase
timeFrame: 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed, after one week, 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed
measure: Lower extremities kinematic
timeFrame: 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed, after one week, 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed
Secondary outcomes:
measure: Lower extremities kinematic
timeFrame: 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed, after one week, 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed
measure: Peak and average amplitude during stance phase
timeFrame: 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed, after one week, 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed
measure: Time of completed fatigue protocols
timeFrame: 1 minutes after fatigue protocol completed
measure: Inter-joint contact force
timeFrame: 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed, after one week, 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed
measure: Lower extremities kinetic
timeFrame: 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed, after one week, 10 minutes before fatigue protocol start, 5 minutes after fatigue protocol completed
Other outcomes:
Locations:
city: Taipei
country: Taiwan
facility: National Yang-Ming University
Study officials:
affiliation: National Yang Ming Chiao Tung University
name: Li-Wei Chou, PhD
role: PRINCIPAL_INVESTIGATOR
References: