Recording Methods of Muscle Activity Onset.

Muscle Activity Onset in the Transversus Abdominis - Simultaneous Recordings by Intramuscular Electromyography and High Frame Rate Ultrasound Imaging.

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT00184535

Enrollment

Registered

2005-09-16

Start date

2005-07-31

Completion date

2005-10-31

Last updated

2017-09-25

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

Conditions

Low Back Pain

Keywords

Low back pain, Neuromuscular control, Anticipatory motor control, Musculoskeletal Physiologic Processes, Muscle, Skeletal, Ultrasonography, Electromyography

Brief summary

Delayed anticipatory muscle activity response in deep low back and abdominal muscles has been observed in patients with low back pain, indicative of a pathological condition. Muscle activity onset is traditionally recorded by intramuscular electromyography, but there is a need for a less cumbersome recording method in large clinical studies. The purpose of this experimental study is to explore whether high-frame rate m-mode ultrasound and tissue velocity imaging could measure anticipatory muscle responses (onset) in the abdominal muscles reliably and comparably accurate to intramuscular EMG.

Interventions

None listed

Study design

Observational model

CASE_ONLY

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

30 Years to 65 Years

Healthy volunteers

Yes

Inclusion criteria

* Healthy * 30-65 yrs

Exclusion criteria

* recent low back pain * low back, neck or shoulder pain inflicting work absence or bed rest * cardiac, rheumatic or other serious illness * pregnancy

Countries

Norway

Outcome results