Image Description: Standing toe-up hamstring stretch has been illustrated in order to reveal the superficial muscles and which muscles are involved with this particular stretch. The exercise stretches muscles including the biceps femoris, semitendinosus and semimembranosus. Image File Sizes: Size Pixels Inches (@300dpi) cm (@300dpi) Small 384 x 600px 1.3 x 2.0” 3.3 x 5.1cm Medium 767 x 1200px 2.6 x 4.0” 6.5 x 10.2cm Large 1534 x 2400px 5.1 x 8.0” 13.0 x 20.3cm X-Large 2556 x 4000px 8.5 x 13.3” 21.6 x 33.9cm Maximum 3446 x 5393px 11.5 x 18.0” 29.2 x 45.7cm Anatomy Visible in the Medical Illustration Includes: Muscles, standing toe-up hamstring stretch, biceps femoris, semitendinosus, semimembranosus Image created by: Joanna Culley