It all begins with an idea Make It Skip to Videos All | Patellar Tendinopathy | Achilles Tendinopathy | Proximal Hamstring Tendinopathy | Low Back Pain | Patellar Tendinopathy, • 2/25/22 Spanish Squats for Patellar Tendinopathy The Spanish squat is a heavy isometric exercise that has been popular for patellar tendinopathy. This video goes over the exercise and research on isometric exercises for patellar tendinopathy.