Image Description: Standing hamstring stretch has been illustrated in order to reveal the superficial muscles and which muscles are involved with this particular stretch. The exercise stretches the gluteus maximus, biceps femoris, semimembranosus and semitendinosus. Image File Sizes: Size Pixels Inches (@300dpi) cm (@300dpi) Small 591 x 600px 2.0 x 2.0” 5.0 x 5.1cm Medium 1182 x 1200px 3.9 x 4.0” 10.0 x 10.2cm Large 2364 x 2400px 7.9 x 8.0” 20.0 x 20.3cm X-Large 4252 x 4317px 14.2 x 14.4” 36.0 x 36.6cm Anatomy Visible in the Medical Illustration Includes: Muscles, standing hamstring stretch, gluteus maximus, biceps femoris, semimembranosus, semitendinosus. Image created by: Joanna Culley