O: lower pubic pelvis I: Pectineal line and superior part of medial lip of linea aspera A: Adducts and flexes the thigh, and helps to laterally rotate the thigh WikipediaQuestions
O: Lower middle pubic pelvis I: Middle third of linea aspera, between the more medial adductor magnus and brevis insertions and the more lateral origin of the vastus medialis A: Adducts and flexes the thigh, and helps to laterally rotate the hip joint WikipediaQuestions
O: lower pelvis pubic I: Gluteal tuberosity of femur, medial lip of linea aspera, medial supracondylar ridge, and adductor tubercle A: Powerful thigh adductor; superior horizontal fibers also help flex the thigh, while vertical fibers help extend the thigh WikipediaQuestions
O: Pelvis pubic I: Medial surface of tibial shaft, just posterior to sartorius A: Flexes the knee, adducts the thigh, and helps to medially rotate the tibia on the femur WikipediaQuestions