Comparative effects between short foot exercise with and without neuromuscular electrical stimulation on navicular height in people with flexible flatfoot

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20180511002

Enrollment

Registered

2018-05-11

Start date

2018-08-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

People with flexible flatfoot age 18&#45

Interventions

down time 0.7 seconds&#44

and 30 min in total. Intensity of stimulation will set at 0 mA. NMES will be performed while the subjects stand with both feet. Each subject will not feel pain and discomfort during stimulation. The p

Experimental Other,Experimental Other

Short foot exercise group,Short foot exercise with neuromuscular electrical stimulation

The subjects in short foot exercise group will receive short foot exercise and placebo NMES The approach of short foot exercise is similar to short foot exercise group. The subjects will able to atten

3 days per week for 4 weeks. Each repetition will be held for 5 seconds The placebo NMES will activate the abductor hallucis muscle. Before this muscle will be stimulated&#44

the researcher will find the motor point. The motor point of this muscle is located 3 cm below navicular tuberosity. Electrodes will be placed over the muscle belly of abductor hallucis muscle&#44

according to the bipolar technique. The active electrode will be placed over the motor point. The dispersive electrode will be placed behind the head of first metatarsal bone. The parameters of NMES p

frequency 85 Hz&#44

frequency modulation 90%&#44

contraction time 5 seconds&#44

rest time 12 seconds&#44

ramp&#45

up time 0.3 seconds&#44

Eligibility

Sex/Gender

All

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: - Age between 18 and 40 years - Flexible flatfoot - Diagnose flatfoot by doctor - Navicular drop test > 10 mm - Ankle dorsiflexion â‰¥ 10 degrees - Normal body mass index (18.5-22.9 kg/m2)

Exclusion criteria

Exclusion criteria: - Foot and ankle pain, genu valgum, femoral anteversion, posterior tibialis tendon dysfunction, leg length discrepancy, diabetic mellitus, rheumatoid arthritis, hypermobile joint, menopause, and neurological disorder within the past 6 months - Inability to understand or cooperate - Contraindications of electrical stimulation such as use of cardiac pacemaker and broken or irritated skin at the electrode site

Design outcomes

Primary

Measure	Time frame
navicular height, navicular drop, baseline and 4 week after training X-ray and using digital vernier caliper	—

Secondary

Measure	Time frame
AbdH strength, DP thickness of AddH, ML of AbdH, CSA of AbdH, %MVIC of AbdH baseline and 4 week after training pull dynamometer, ultrasound imaging, EMG	—

Countries

Thailand

Contacts

Public ContactJUntip Namsawang

Faculty of Associated Medical Science, Khon Kaen University

moonoi_mooyuk@hotmail.com0818788842

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026