Short Arc Multifidus Study

Increase in Multifidus Size By Short Arc Banding on the ATM Machine as Measure by Diagnostic Ultrasound

Patients will be performing Logan short arc banding protocols to see the effect on multifidus size

The subjects will initially be scanned by diagnostic ultrasound by to assess the cross sectional area of their lumbar multifidi. Then they will perform 3 sets of 30 second periods of Logan Short Arc Banding on the ATM machine twice a week for 4 weeks and then they will be scanned again using diagnostic ultrasound to assess the effects of the rehabilitation exercise.

Inclusion Criteria:

• Male or Female ages 18-54

Exclusion Criteria:

• Asymptomatic of: Low Back Pain, previous spinal injury, surgery or other condition affecting the spine, local infection, injury or malignancy; pregnancy or any condition affecting muscle reaction time.