Herbert, R D Change in length of relaxed muscle fascicles and tendons with knee and ankle movement in humans. [electronic resource] - The Journal of physiology Mar 2002 - 637-45 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-3751 Standard No.: 10.1113/jphysiol.2001.012756 doi Subjects--Topical Terms: AdultAlgorithmsAnkle--diagnostic imagingFemaleHumansKnee--diagnostic imagingMaleMovement--physiologyMuscle Contraction--physiologyMuscle, Skeletal--anatomy & histologyTendons--anatomy & histologyUltrasonography