The Rate of Non-Contact ACL Injuries Is Much Higher in Physically

question 29

Multiple Choice

The rate of non-contact ACL injuries is much higher in physically active women than men. Which of the following is NOT considered a valid explanation for the gender-based difference in the ACL injury rate?

• A)High estrogen levels in females relax supportive knee ligaments.
• B)Women have a wider pelvis, changing the angle of the femur as it enters the knee.
• C)The quadriceps:hamstrings strength ratio is more in balance in females.
• D)Men contract their hamstrings earlier when landing a jump thus stabilizing the knee.
• E)Female's playing posture is more upright making the knee more vulnerable.

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