Effects of Isometric Muscle Fatigue on Trunk Muscle Stiffness

Effects of Isometric Muscle Fatigue on Trunk Muscle Stiffness

Interventional study of the effects of a trunk extensor muscles fatigue protocol on trunk extensors stiffness.

Single visit interventional study of the effects of a trunk extensor muscles fatigue protocol on multifidus and erector spinae muscle stiffness measured by Ultrasound based Shearwave elastography.

Inclusion Criteria:

• Physically active at least 3 hours a week

Exclusion Criteria:

• Low back pain in the past 6 months
• History of chronic low back pain
• History of spinal or pelvic operation
• Hypermobility, more than 4 points on Beighton scale
• Cardiovascular or systemic diseases
• Pregnancy