Dry Needling and Quad Strength After Anterior Cruciate Ligament Reconstruction

Effects of Dry Needling on Quadriceps Muscle Strength in Acute Post-Operative Anterior Cruciate Ligament Reconstruction With Quadriceps Autograft in the Pediatric Population

Dry needling is a skilled intervention provided by trained physical therapists to treat pain, myofascial dysfunction, and a variety of other diagnosis. While there is research demonstrating the benefits of dry needling in reduction of pain and improvement in strength, research in regards the pediatric population is very limited. A recent retrospective chart review regarding dry needling trends and outcomes in the pediatric orthopedic population showed the pediatric population is tolerating this treatment and seeing benefits. Physical therapists are already pushing the boundaries and finding additional benefits in the use of dry needling with current patients. A diagnosis frequently seen in sports medicine is surgical reconstruction of the anterior cruciate ligament (ACL). Over the last couple of years, therapists have seen an increase in the use of quadriceps tendon autograft for reconstruction following ACL tears due to lower incidence rate of retears. Patients have been struggling to regain strength of the quadriceps to meet desired outcomes. The quadricep muscles are one of the major stabilizers of the knee and with a reduction in strength places the patient at a significant increase of retear.

Subjects will be categorized into an experimental group (dry needling intervention + physical therapy) or the control group (physical therapy only) with a N of 20 in each group.

The goal for this research is to determine if dry needling use in the subacute phase of post-operative ACLR following quadriceps autograft can assist with increasing quad strength and improve post-surgical outcomes.

Inclusion Criteria:

• Status post subacute quadriceps autograft 6 weeks or less
• Ages 10-20 years
• English and/or Spanish speaking

Exclusion Criteria:

• History of surgery on the knee or hip on the testing lower extremity.
• Any surgical intervention to other ligamentous or meniscus structures during time of ACLR
• Any post-surgical complications such as infection
• Current pregnancy