What causes pain in the back of the knee when squatting or standing up?

Mar 28, 2023 Source: Cainiu Health

Dr. Lin Yunfei

Introduction

Pain in the back of the knee when squatting or standing up may be caused by meniscus injury, cruciate ligament damage, osteoarthritis, or other reasons. Sudden inward or outward rotation of the thigh, knee flexion, or fixation of the foot can all potentially compress the meniscus. In addition to these causes, knee synovitis may also contribute. It is recommended to avoid prolonged standing or squatting.

Pain in the back of the knee when squatting and standing up may be caused by meniscus injury, cruciate ligament injury, osteoarthritis, or other reasons. Treatment options include general management, medication, surgery, and other methods. Specific analyses are as follows:

1. Meniscus Injury

Sudden inward or outward rotation of the thigh, knee flexion, or fixed foot position may compress the meniscus, subjecting it to shear stress and rotational forces that can cause injury and result in this symptom. During the acute phase, physical activity should be stopped immediately, and rest is recommended. Symptoms can be alleviated with ice application and compression bandaging using gauze. In more severe cases, treatment may involve meniscus repair surgery or meniscectomy.

2. Cruciate Ligament Injury

Trauma or sports-related injuries to the knee may disrupt the continuity of the cruciate ligaments, leading to this symptom. If pain is severe, medications such as etoricoxib tablets, celecoxib capsules (Celebrex), or ibuprofen sustained-release capsules may be used under medical guidance.

3. Osteoarthritis

Exposure of the legs to cold, excessive fatigue, or excessive joint loading may damage articular cartilage, resulting in osteoarthritis and causing this symptom. Pain relief can be achieved with medications such as celecoxib tablets, loxoprofen sodium dispersible tablets, or ibuprofen sustained-release capsules, taken as directed by a physician.

In addition to the above, this symptom could also be caused by conditions such as knee synovitis. It is advisable to avoid prolonged standing or squatting in daily life.

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