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|  |  |   
| 2 | Knee cap tendon |   
| 4 | Inflammation of a tendon |   
| 5 | The angle between the femur, knee and pelvis |   
| 6 | Center the thigh |   
| 7 | Thigh Bone |   
| 8 | Inflammation of the underside of the patella |   
| 9 | Thigh muscles |   
| 10 | Muscles on the back of the thigh |   
| 11 | Bowlegged |   
| 15 | “Rear-end” muscles |   
| 16 | Knee Cap |   
| 18 | MCL |   
| 20 | Type of joint the knee is |   
|  |  |  
 
|  |  |   
| 1 | the most Complex joint in the body |   
| 3 | ACL |   
| 12 | The outer and usually smaller of the two lower leg bones |   
| 13 | Inflammation of a bursa |   
| 14 | A small fluid-filled sac |   
| 17 | A thin fibrous cartilage between the surfaces of the knee |   
| 19 | The inner and typically larger of the two lower leg bones |   
|  |  |