TY - CHAP M1 - Book, Section TI - Calf Pump A1 - Phillips, Raymond E. Y1 - 2021 N1 - T2 - Venous Insufficiency AB - Robust calf muscles are essential for normal venous dynamics. Indeed, the grastrocnemius and soleus muscles in the calf have been described as a “physiological heart” comprising the main force propelling venous blood against gravity [1]. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/03/29 UR - dermatology.mhmedical.com/content.aspx?aid=1175311984 ER -