Effect of Exercises Training Using Hybrid Assistive Limb (HAL) Lumbar Type on Squatting Motion -Biomechanical analysis with synchronized electromyography

Effect of Exercises Training Using Hybrid Assistive Limb (HAL) Lumbar Type on Squatting Motion -Biomechanical analysis with synchronized electromyography - Effect of Exercises Training Using Hybrid Assistive Limb (HAL) Lumbar Type on Squatting Motion -Biomechanical analysis with synchronized electromyography

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000045126

Enrollment

Registered

2021-09-01

Start date

2025-04-01

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

musculoskeletal system

Interventions

Exercise training with HAL lumbar type 1. Repeat pelvic tilt forward and backward in sitting position for 1 minute and 30 seconds 2. Repeatedly stand up from sitting position for 1 minute and 30 sec

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. A healthy subject who is able to give written consent. 2.A healthy subject who can wear HAL lumber type.

Exclusion criteria

Exclusion criteria: 1. A healthy subject who can not apply HAL bioelectrocodes due to skin disorders. 2. An individuals who are judged inappropriate for participation in this study.

Design outcomes

Primary

Measure	Time frame
Trunk and lower limb joint angles and electromyogram of erector spinae muscle and hip/knee joint	—

Secondary

Measure	Time frame
1.Flexibility before and after the exercise (Finger floor distance, Straight leg raising) 2. evaluation of subjective fatigue level VAS before and after exercise 3. HAL monitor analysis during exercise with HAL (biopotential signal, assist torque, trunk angle)	—

Countries

Japan

Contacts

Public ContactNaoya Kikuchi

University of Tsukuba Department of Orthopaedic Surgery, Faculty of Medicine

nhskikuchi@md.tsukuba.ac.jp0298533219

Outcome results

None listed

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