MRI is the gold standard for imaging Hamstring and quadriceps acute injuries. Ultrasound has previously been regarded as inferior to MRI for these assessments. This presentation is a pictorial review of our 2018/19 studies in this area at Olympic Park. It will demonstrate the accuracies and pitfalls of detection by Ultrasound in acute thigh injury. Reviewing location site and our observations from grade 1 to grade 3 injuries.