Quadriceps = 4 muscles, 1 powerful group 💥🦵
📍Origin
Rectus Femoris: AIIS
Vastus Intermedius: Anterior & Lateral shaft of femur
Vastus Medialis: Medial lip of linea aspera
Vastus Lateralis: Lateral lip of linea aspera
📍Insertion: All attach to the tibial tuberosity via the patellar tendon
📍Action: All extend the knee, and rec fem flexes the hip