Put your mouse cursor (pointer) on any of the underlined bodypart and wait untill that respective part appears in yellow. Once you click on any muscle part will redirect you in another website showng how to stretch that particular muscle.

Abdomen Rectus Abdominis Obliques External & Internal Oblique Back Latissimus Dorsi & Teres Major Buttock Gluteus Maximus, Medius & Minimus Quadriceps Rectus Femoris, Vastus Lateralis, Intermedius & Medialis Hip flexor/rotator Iliopsoas & Sartorius Groin Gracilis, Adductor Brevis, Longus & Magnus Hamstring Biceps Femoris, Semitendinosus, Semimembranosus Calf Gastrocnemius