Final answer:
Examining the hip is essential in cases of knee pain because hip issues can lead to knee pain through altered body mechanics and compensatory movements. Osteoarthritis is a common cause of hip disability that can also impact the knee. Proper hip and knee evaluation ensures accurate diagnosis and appropriate treatment.
Step-by-step explanation:
It is important to examine the hip when experiencing knee pain because the two are biomechanically and anatomically connected. The hip joint can affect the alignment and function of the knee, with issues in the hip potentially leading to compensatory movement patterns that cause knee pain.
The hip joint is prone to osteoarthritis (OA), which can manifest as pain in the lower limb and can radiate to the knee. The most common cause of hip disability is OA, which can eventually require joint replacement surgery, such as total hip arthroplasty, to alleviate pain and restore joint mobility.
Additionally, the hip can suffer from other conditions such as fractures, particularly in the femoral neck due to osteoporosis or trauma, leading to increased morbidity and mortality. Such injuries often necessitate surgical treatment and have substantial long-term healthcare costs.
Therefore, an examination of the hip is crucial in fully understanding the source of knee pain and ensuring accurate diagnosis and treatment.
Moreover, the Q-angle, which is the angle of femur orientation relative to the tibia, can influence knee mechanics. This angle is typically larger in women due to a wider pelvis, making them more susceptible to patellofemoral syndrome. Therefore, assessing the alignment of the hip can provide insight into potential knee issues.