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How Prone Position Affect the Anatomy of Lumbar Plexus and Psoas Morphology for Prone-Transpsoas Lumbar Interbody Fusion.

How Prone Position Affect the Anatomy of Lumbar Plexus and Psoas Morphology for Prone-Transpsoas Lumbar Interbody Fusion.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20201122002
Enrollment
30
Registered
2020-11-22
Start date
2020-12-15
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

lumbar plexus and psoas morphology related to patient&#39

Interventions

Healthy male and female volunteers aged between 20&#45
40 year&#45
old without underlying disease or history of back/hip pain. All volunteer must not have metallic implant or pacemaker in the body.
Basic Science
Healthy male and female volunteers

Sponsors

Kavin Poriswanich
Lead Sponsor
Wicharn Yingsakmongkol
Collaborator

Eligibility

Sex/Gender
All
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: -No underlying disease -No concurrent medication -No history of smoking or alcohol dependence -BMI between 18-25 kg/m2

Exclusion criteria

Exclusion criteria: -On pacemaker -Have metallic implant in the body -Have iron oxide tattoo -Have respiratory disease -Claustrophobia -Have pressure ulcer that prevent positioning during the study -Large body composition that cannot go into the MRI gantry -History of abdominal surgery -Have scoliosis -Have history of back pain -Have history of hip pain -Have hip flexion contracture

Design outcomes

Primary

MeasureTime frame
Axial image distance of lumbar plexus after examination was done Distance measure from imaging program (Synapse)

Secondary

MeasureTime frame
Psoas-disc ratio after examination was done Measure from imaging program (Synapse),Psoas-crossectional area after examination was done Measure from imaging program (Synapse),Distance between left psoas and aorta after examination was done Measure from imaging program (Synapse),Multifidus-crossectional area after examination was done Measure from imaging program (Synapse),Lumbar plexus in relation of zones of vertebral spaces after examination was done Measure from imaging program (Synapse)

Countries

Thailand

Contacts

Public ContactKavin Poriswanich

Faculty of medicine, Chulalongkorn University

k_kavinp@hotmail.com0814225331

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026