Table 1.

Inclusion and exclusion criteria

Males and females	History of herniated lumbar disc/radiculopathy
Age 18-40 DoD beneficiaries	Prior surgery in the hip, knee, or back
Lack of ≥ 20 degrees of supine active knee extension	Self-reported pregnancy
Atraumatic knee pain ≥ 2 weeks	History of blood borne pathogens/infections disease/active infection
	Metal allergy
	Positive instability tests indicative of ligamentous tear
	Joint line tenderness or positive meniscal tests
	Participants not fluent in English
	Previous history of DN
	Bleeding disorders or current use of anticoagulant medications