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Int J Sports Phys Ther. 2013 Apr;8(2):145-61.

The use of trigger point dry needling and intramuscular electrical stimulation for a subject with chronic low back pain: a case report.

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Physical Therapist, Naval Special Warfare Group ONE, San Diego, CA.



Case Report.


Myofascial trigger points (MTrPs) are widely accepted by clinicians and researchers as a primary source of regional neuromusculoskeletal pain. Trigger point dry needling (TrP-DN) is an invasive procedure that involves stimulation of MTrPs using an monofilament needle. The purpose of this case report is to report the outcomes of TrP-DN and intramuscular electrical stimulation (IES) as a primary treatment intervention in a subject with chronic low back pain.


The subject was a 30-year-old female, active duty military, who was referred to physical therapy for low back and right posterolateral hip pain. She noticed symptoms after suffering a lumbar flexion injury while picking up a barbell during weight training. Physical examination demonstrated findings that supported the diagnosis of lumbar segmental instability with a right hip stability dysfunction. Objective findings included a multi-segmental flexion movement pattern dysfunction and MTrPs in the right gluteus maximus and gluteus medius muscles with deep palpation. The subject was treated with TrP-DN and IES for a total of two visits. Bilateral L3 and L5 multifidus and right gluteus maximus and medius muscles were treated, along with implementing a home exercise program consisting of core stability exercises.


The subject reported no existing pain and disability on the Numerical Pain Rating Scale and Oswestry Disability Questionnaire and a large perceived change in recovery on the Global Rating of Change at final follow-up. Physical examination was normal, demonstrating no observed impairments or functional limitations, including normal multi-segmental flexion and no MTrPs with deep palpation.


The subject was able to return to full military active duty without any physical limitations and resumed pre-injury activity levels, including the ability to resume all activities without pain. There is much promise regarding the use of TrP-DN with IES intervention for the treatment of lumbar and/or hip stability dysfunction. Future research is recommended to determine if TrP-DN intervention, with and without IES, is effective for other body regions and long-term subject outcomes.


Level 4.


Dry needling; intramuscular electrical stimulation; low back pain; myofasical trigger points


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