Quizlet Comparative Anatomy - Cat - Muscles - Thigh - Lateral Surface

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  1. Biceps femoris: Origin - Ischium. Insertion - Patella and tibia. Action - Abducts thigh, flexes leg.
  2. Caudofemoralis: Origin - Caudal vertebrae. Insertion - Patella. Action - Abducts thigh, extends leg.
  3. Gluteus maximus: Origin - Sacral and caudal vertebrae. Insertion - Greater trochanter of femur. Action - Abducts thigh.
  4. Gluteus medius: Origin - Sacral and caudal vertebrae. Insertion - Greater trochanter of thigh. Action - Abducts thigh.
  5. Semitendinosus: Origin - Ischium. Insertion - Proximal end of tibia. Action - Flexes leg.
  6. Tensor fascia lata: Origin - ilium. Insertion - Fascia lata of thigh. Action - Tightens fascia lata.
  7. Tenuissimus: Origin - Second caudal vertebrae. Insertion - Fascia of biceps femoris. Action - Abducts thigh
  8. Vastus lateralis: Origin - Proximal part of femur. Insertion - Patella. Action - Extends leg.