Effect of two frequencies of whole body vibration and transmissibility to the lower limb's joints in the postmenopausal women

The comparison of whole body vibration with frequency of 20 and 40 Hz on the transmissibility to the lower limb's joints and center of pressure sway in the postmenopausal women

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20101017004952N11

Enrollment

Registered

2022-03-05

Start date

2022-03-06

Completion date

Unknown

Last updated

2022-03-08

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

Conditions

Balance in postmenopausal women. Age-related physical debility

Interventions

Intervention group: postmenopausal women. A group of postmenopausal women who receive whole body vibration with frequency of 20 and 40 HZ. The participant will be placed on the WBV plate barefoot wit

Eligibility

Sex/Gender

Female

Age

50 Years to 70 Years

Inclusion criteria

Inclusion criteria: At least one year after menopause Body mass 25-32 kg/m2 Ability to stand while sitting without aids Ability to walk independently without aids Normal blood pressure and less than 140/90 at rest

Exclusion criteria

Exclusion criteria: Osteoporosis Balance disturbance and fall history Vestibular disorders History of joint replacement surgery in the lower extremities Neuro-musculoskeletal disorders Cardiovascular problems Use of drugs that upset the balance system Patient discomfort during whole body vibration

Design outcomes

Primary

Measure	Time frame
Center of pressure displacement. Timepoint: Before and after vibration. Method of measurement: Force plate.;Center of pressure velocity. Timepoint: Before and after of vibration. Method of measurement: Force plate.;Path length. Timepoint: Before and after vibration. Method of measurement: Force plate.;Transmissibility in hip joint. Timepoint: Before and after vibration. Method of measurement: Accelerometer.;Transmissibility in knee joint. Timepoint: Before and after vibration. Method of measurement: Accelerometer.;Transmissibility in ankle joint. Timepoint: Before and after vibration. Method of measurement: Accelerometer.	—

Measure

Time frame

Center of pressure displacement. Timepoint: Before and after vibration. Method of measurement: Force plate.;Center of pressure velocity. Timepoint: Before and after of vibration. Method of measurement: Force plate.;Path length. Timepoint: Before and after vibration. Method of measurement: Force plate.;Transmissibility in hip joint. Timepoint: Before and after vibration. Method of measurement: Accelerometer.;Transmissibility in knee joint. Timepoint: Before and after vibration. Method of measurement: Accelerometer.;Transmissibility in ankle joint. Timepoint: Before and after vibration. Method of measurement: Accelerometer.

—

Secondary

Measure	Time frame
Difficulty score for deafferent modes. Timepoint: 10-degree visual analogous scale. Method of measurement: Self report.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactGiti Torkaman

Tarbiat Modares University

Torkamg@modares.ac.ir+98 21 8288 4509

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026