24. Which muscle of the quadriceps is responsible for flexion of the hip? A. Rectus femoris B. Vastus medialis C. Vastus lateralis D. Vastus intermedialis 25. The ______ is the origin of the rectus abdominis. A. inferior ribs B. ribs 7-12 C. linea alba D. pubis 26. The ______ is the insertion of the transversus abdominis. A. iliac crest B. lumbar to cervical spinous processes C. linea alba D. upper thoracic spinous processes 27. Which muscle lies underneath the gluteus medius? A. Gluteus maximus B. Gluteus minimums C. Erector spinae D. TFL 28. Which muscle is responsible for knee flexion? A. Rectus femoris B. Semitendinosus C. Vastus lateralis D. Gluteus minimus 29. Which of the following muscle's concentric action accelerates knee extension? A. Psoas B. Piriformis C. Vastus medialis D. Gluteus medius 30. Which of the following muscle's eccentric action decelerates hip adduction? A. Tensor facia latae B. Rectus femoris C. Biceps femoris D. Gluteus maximus
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