Muscle function in patients with lumbar spinal canal stenosis (LSS) after conservative, minimally invasive or open surgical treatment

Muscle function in patients with lumbar spinal canal stenosis (LSS) after conservative, minimally invasive or open surgical treatment - MARSS

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00032248

Enrollment

220

Registered

2023-07-14

Start date

2023-08-01

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

M48

Interventions

Group 1: Intervention group: Patients (male and female) with LSS

Decompressive surgery + Early (2 weeks post-surgery) Rehabilitation

Program: 3 weeks, 5 treatment days per week, 4-6 treatment sessions lasting 4-5 hours per day Group 2: Intervention group: Patients (male and female) with LSS

Decompressive surgery + Late (6 weeks post-surgery) Rehabilitation

Program: 3 weeks, 5 treatment days per week, 4-6 treatment sessions lasting 4-5 hours per day Group 3: Intervention group: Patients (male and female) with LSS

Decompressive and fusion surgery + Early (2 weeks post-surgery) Rehabilitation

Program: 3 weeks, 5 treatment days per week, 4-6 treatment sessions lasting 4-5 hours per day Group 4: Intervention group: Patients (male and female) with LSS

Decompressive and fusion surgery + Late (6 weeks post-surgery) Rehabilitation

Program: 3 weeks, 5 treatment days per week, 4-6 treatment sessions lasting 4-5 hours per day Group 5: Intervention group: Patients (male and female) with LSS

Conservatively treated

Program: 3 weeks, 5 treatment days per week, 4-6 treatment sessions lasting 4-5 hours per day Group 6: Control group: Participants (male and female) without LSS

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Voluntary participation, Signed consent, Anatomical lumbar spinal stenosis with characteristic symptoms, Present pain (NRS >3), Agreement to be treated in the selected rehabilitation facility

Exclusion criteria

Exclusion criteria: Children and adolescents, Neurodegenerative diseases, Previous spine surgery, Fractures on the lumbar spine (20°), Spondylolisthesis >Meyerding 1 (3-14 mm), ASA classification >4, Pain (NRS <3), Orthopedic history at the lower extremities, limiting the patient’s activity

Design outcomes

Primary

Measure	Time frame
Oswestry Disability Index (ODI) at baseline, post-surgery, pre-intervention, post-intervention, follow up at 6, 12 and 24 months after the rehab program	—

Secondary

Measure	Time frame
Walking distance (on a treadmill) at baseline, post-surgery, pre-intervention, post-intervention, follow up at 6, 12 and 24 months after the rehab program	—

Countries

Germany

Contacts

Public ContactEduard Kurz

Martin-Luther-Universität Halle-Wittenberg

eduard.kurz@uk-halle.de+493455574897

Outcome results

None listed

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