6. The most active muscle in the human body is the heart.A) True
7. Your abdominal muscles are composed of three muscle groups.A) True
8. Vastus Intermedius, Lateralis, Medialis and Rectus Femoris are muscles found in the _______.A) Knee
9. Tight hip flexors can cause lower back pain.A) True
10. There are about 595 muscles in the human body.A) True
Each question is worth one point.