Which of the following is NOT a symptom of an ACL tear?

Which imaging technique is commonly used to diagnose an ACL tear?

What is the initial treatment for an ACL tear?

Which ligament is commonly injured along with the ACL?

Which bone is NOT part of the knee joint?

Which meniscus is more commonly injured in association with an ACL tear?

Which ligament prevents the tibia from sliding too far forward in relation to the femur?

Which structure connects the quadriceps muscle to the patella?

What is the most common cause of a posterior cruciate ligament (PCL) tear?

What is the blood supply to the joint capsule of the knee?

Which muscle is most important in stabilizing the knee joint?

A 27-year-old man comes to the physician because of pain and swelling in his right knee that began 3 days ago when he fell during football practice. He fell on his flexed right knee as he dove to complete a pass. He felt some mild knee pain but continued to practice. Over the next 2 days, the pain worsened and the knee began to swell. Today, the patient has an antalgic gait. Examination shows a swollen and tender right knee; flexion is limited by pain. The right knee is flexed and pressure is applied to proximal tibia; 8 mm of backward translation of the foreleg is observed. Which of the following is most likely injured?

A 21-year-old man comes to the physician for a follow-up examination. Four days ago, he injured his right knee while playing soccer. Increased laxity of the right knee joint is noted when the knee is flexed to 30° and an abducting force is applied to the lower leg. The examination finding in this patient is most likely caused by damage to which of the following structures?

Which of the following is not a potential reason for a higher prevalence of ACL tears in women?

What nerve can be impinged by using crutches?

A 6-year-old boy is brought to the pediatrician for a well-child check. His parents report that he has been having difficulties with walking and has been falling more frequently. On physical examination, he has weakness of his proximal limb muscles, particularly the hip girdle. There is also enlargement of his calves. A biopsy of the calf muscle is obtained. Which of the following metabolic pathways is most likely disrupted in this patient's muscle cells?

A 30-year-old man presents with difficulty in hand motion, namely trouble with buttoning his shirt. He also experiences numbness and tingling. On examination, there is muscle wasting at the thenar eminence. Which of the following peripheral nerve damages corresponds to this clinical picture?

A 33-year-old woman comes to the clinic because of progressive difficulty in raising her right arm. She says the weakness has been present for about a year, and has progressively worsened. She denies any pain. On examination, shoulder abduction is limited to 70 degrees. Strength is normal in other upper limb movements. Which of the following muscles is most likely affected?

Other than football, what sport did I have an opportunity to play in college?

What's the most amount of watermelons I've eaten in a calendar year?

What happened to the character in the title picture of this quiz?