Fig. 2From: Imaging finding and arthroscopic treatment of isolated contracture of the rectus femoris muscle: a case reportPreoperative MRI findings. Transverse T2-weighted image (a) showing volume reduction of left rectus femoris muscle. Transverse T1-weighted image (b) demonstrating fibrosis with dark signal intensity in the anterior of left rectus femoris. A hypointensity band could be observed on the coronal section (c) in the image. White arrow in A: rectus femoris muscle; White arrow in B &C: hypointensity band on the left rectus femoris muscleBack to article page