Spleen meridian sinew starts from medial side of great toe and runs backward to medial side of dorsum of foot then ends at ankle joint; ascends from anterior aspect of medial malleolus of ankle joint along medial side of leg and ends at medial aspect of knee joint; ascends from medial aspect of knee joint along medial side of thigh and ends at anterior aspect of thigh then assembles perineal region; ascends from perineum both sides of midline of abdomen and ends at unbilical region; ascends from bellybutton to abdomen and ends at cervical rib then disseminates chest and accretes vertebral column in chest.(Fig.51)

Manifestation of disease of spleen meridian sinew:
After wind, dampness, cold and evil qi invade meridian, muscle of meridian sinew which is along medial side of knee would pain and great toe is dyscinesia. When meridian qi stagnates, it will be spasm. When there is qi deficiency, arthrosis is chalasis and debility.

Manifestation of season disease of meridian sinew:
Lunar calendar July is the first month of autumn and is Taiyin qi in climate, spleen meridian is easy stagnation and obstruction of meridian-QI and appears spasm of abductor then drafts great toe pain. Internal flexor digitorum longus is spasm and drafts medial malleolus and medial side of knee joint pain. Muscle spasm of gracilis, adductor and musculus sartorius drafts thigh and perineum pain. Muscle spasm of obliquus internus abdominis and subcostales drafts genital organ and two ribs pain. Treatment: prick on pressure pain point of painful area quickly by fire needle until to become effective.