Fig. 10From: Sports-related lower limb muscle injuries: pattern recognition approach and MRI reviewIntramuscular isolated injuries of the rectus femoris. Axial and coronal/sagittal MR images in fluid-sensitive sequences. a Marginal or paraseptal muscular edema with gap of the muscle fibers (circles). b Edema, fiber distortion, and areas of tear surrounding the central septum (short arrows) without retraction. c Circumferential pattern of fibers rupture encompasses the entire central septum with loss of its tension (large arrows)Back to article page