Effect of using insoles to correct flat feet on knee joint shock absorption capacity

The Effect of the Use of a Foot Orthosis on the Shock Absorption Capacity of the Knee Joint in the Case of Excessive Rotation of the Subtalar Joint - The Effect of the Use of Foot Orthoses on the Shock Absorption Capacity of the Knee Joint

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000043731

Enrollment

Registered

2021-04-01

Start date

2021-05-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Over Pronation of the subtalar joint

Interventions

The patient is asked to wear the Foot orthosis, which is made in a position with a neutral correction of the subtalar joint, during the measurement and finishes wearing it when the measurement is comp

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The arch efficiency of the medial longitudinal arch in the upright position is less than 16.4% in males and 14.6% in females due to over-rotation of the subtalar joint, and the patient should be able to correct the alignment with a Foot orthosis.

Exclusion criteria

Exclusion criteria: Subjects with a history of severe orthopedic and neurological conditions, such as marked deformity of the lower extremities or surgery other than hyperextension of the talonavicular joint, will be excluded.

Design outcomes

Primary

Measure	Time frame
Q-angle in standing position, CoA at knee joint, EMG potential of vastus lateralis	—

Countries

Japan

Contacts

Public Contactkento sato

Hokkaido University of Science Faculty of Health Sciences

sato-ken@hus.ac.jp011-688-2303

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026