Effects of Trunk Training Combined with Extracorporeal Shock Waves on Back Muscle Stiffness

Effects of Trunk Training Combined with Radial Extracorporeal Pressure Wave Therapy on Lumbar Erector Spinae Muscle Stiffness - Effects of Trunk Training Using Radial Extracorporeal Pressure Wave on Lumbar Erector Spinae Muscle Stiffness

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058681

Enrollment

Registered

2025-08-03

Start date

2025-08-24

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

Low back pain and healthy individuals

Interventions

Radial extracorporeal pressure wave therapy + Trunk Training Trunk Training

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: University students with chronic low back pain for more than 3 months or healthy university students

Exclusion criteria

Exclusion criteria: Acute low back pain for less than 3 months, those with deformity, history of deformity or surgery with significant limitation of lumbar hip motion, those with motor dysfunction such as paralysis due to cerebrovascular disease, those who cannot understand methods, etc. due to cognitive decline, etc., and those who are pregnant.

Design outcomes

Primary

Measure	Time frame
Erector spinae muscle stiffness by ultrasound	—

Secondary

Measure	Time frame
Degree of pain Range of motion of lumbar flexion Electromyography of erector spinae muscles (flexion-relaxation phenomenon) Lumbar pressure pain threshold Heart rate variability (LF, HF)	—

Countries

Japan

Contacts

Public ContactRyo Miyachi

Hokuriku University Faculty of Medical and Health Sciences

ry_miyachi@hokuriku-u.ac.jp09020909720

Outcome results

None listed

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