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Why Does My Knee Hurt When I Sit, Stand, or Climb Stairs?

February 26th, 2026OrthoHC

Knee pain doesn’t just show up during sports or exercise. Many people notice discomfort during everyday movements such as standing up from a chair, sitting for long periods, or walking up and down stairs. If your knee hurts during routine activities, there may be an underlying issue that needs medical evaluation.

Why Everyday Movements Can Trigger Knee Pain

Your knee is a major weight-bearing joint that helps you bend, straighten, and move throughout the day. Inside the knee, smooth cartilage cushions the bones and helps them glide easily over each other, while muscles and ligaments keep the joint aligned and stable. When you move from sitting to standing, climb stairs, or lower yourself into a chair, the knee has to absorb and distribute force evenly. If the cartilage begins to wear down or one part of the knee takes on more stress than it should, you may start to feel pain.

Common Causes of Knee Pain

Several underlying issues can contribute to discomfort during everyday activities:

  • Cartilage wear and tear: As you age, cartilage can become thin or uneven, leading to irritation as the bones in the knee begin to move closer together and rub against each other as you move. This is known as osteoarthritis.
  • Alignment issues: Misalignment can cause certain parts of the knee to take on more force than they should, leading to irritation and pain during movement.
  • Past injuries: Old injuries, even ones that seemed minor at the time, can affect how your knee functions years later. Ligament sprains, meniscus tears, or previous fractures may change how weight moves through the joint, leading to pain during routine activities.
  • Muscle weakness: The muscles around the knee help absorb shock and stabilize the joint. When these muscles are weak or not working together efficiently, the knee may absorb more stress than it should.

How an Orthopedic Evaluation Can Help

Because knee pain can come from several different sources, a thorough orthopedic evaluation is important. During your visit, your provider will assess:

  • Joint alignment and movement
  • Strength and flexibility
  • Areas of tenderness or instability
  • Imaging, if needed, to evaluate cartilage, bone, or soft tissue

This process helps identify the cause of your pain and allows for a treatment plan tailored to your needs. Treatment may include physical therapy, activity modifications, bracing, or other options depending on the diagnosis.

Persistent knee pain isn’t something you have to push through. If you’ve been noticing knee discomfort during everyday activities, the team at The Orthopedic Health Center can help identify the cause and guide you toward lasting relief. With convenient locations in Hoboken, Jersey City, and Bayonne, you can schedule an evaluation at the office that works best for you.

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