Age

50–any

Sex

ALL

Healthy volunteers

Not accepted

Younger than 50 years old
History of Knee or Hip Replacements
History of steroid injection within the previous 6 months
Presence of neuromuscular joint condition that affects lower extremity function
History of blood clots in the leg or any condition in which compression of the thigh is contraindicated
History of heart failure or thrombosis
Allergic to ultrasound gel
History of spine surgery
Non-English speaker
Currently pregnant or intends to become pregnant during the study

Ischemic Preconditioning in Osteoarthritis and Back Pain