31. In other tetrapods, the adductor magnus crosses the knee joint and inserts into the tibia. 32. The octopuses will often concentrate their drill holes near the adductor muscles of the bivalve prey. 33. Knight became just the fourth player since steals became an official stat in the adductor strain. 34. Adductor muscles leave noticeable scars or marks on the interior of the shell's valves.35. Some families of bivalves have only one adductor muscle, or rarely even three adductor muscles. 36. Some families of bivalves have only one adductor muscle, or rarely even three adductor muscles. 37. In the adductor type, the vocal cords are squeezed shut, producing strangled, strained speech. 38. Eventually the front adductor muscle disappears and the rear muscle moves into the clam's center. 39. By its anterior surface the adductor magnus is in relation with the obturator vein and obturator nerve. 40. Additionally, it serves as the origin for the inferior gemellus muscle and the adductor magnus muscle.