‼️ POA  Expands Urgent Care to Hillsborough location Starting June 3rd. Click link to learn more!
Learn More

Hoffa's Syndrome: A Closer Look at Hoffa Fat Pad Impingement

by Princeton Orthopaedic Associates

Hoffa's Syndrome: A Closer Look at Hoffa Fat Pad Impingement

by Princeton Orthopaedic Associates

Are You Experiencing Knee Pain?

The Hoffa fat pad, also known as the infrapatellar fat pad, is a specialized cushioning structure located behind your kneecap within the knee joint. It's made up of fatty tissue surrounded by connective tissue, and its main job is to absorb shock and help distribute pressure when you move your knee. When this fat pad gets inflamed, often from injury, overuse, or issues with how your knee moves, it can lead to a condition called Hoffa's Syndrome. This causes pain, swelling, and discomfort in the front of your knee, especially when you're squatting, going up stairs, or standing on tiptoes. Managing this condition is important for keeping your knee functioning well and reducing discomfort in everyday activities.

Why you can trust us:

  • We have multiple Orthopaedic Knee Specialists who treat knee-related injuries every day.
  • We have a whole-body health approach when it comes to orthopaedic health. We believe in the power of specialization. That means that our patients receive care from doctors, therapists and orthopaedic knee specialists who treat orthopaedic knee issues on a daily basis. 

Want to know more? Visit our website.

What is the Hoffa Fat Pad?

The Hoffa fat pad, scientifically known as the infrapatellar fat pad, is a specialized structure located beneath the patella (kneecap) within the knee joint. Composed of body fat tissue surrounded by a protective layer of connective tissue, its primary function is to cushion and protect the knee joint during movement. The Hoffa fat pad plays a crucial role in absorbing shock and distributing pressure across the knee, thereby helping to maintain joint stability and function. Understanding the anatomy and function of the Hoffa fat pad is essential for diagnosing and effectively managing conditions that affect knee health.

What is Hoffa's Syndrome?

When the Hoffa fat pad becomes inflamed, often due to injury, overuse, or biomechanical issues, it can result in Hoffa's Syndrome. This condition, also known as knee fat pad impingement, causes pain, swelling, and discomfort in the front of the knee. The Hoffa fat pad serves as a cushioning structure situated behind the kneecap and between the femur and tibia. This inflammation can lead to significant knee pain and discomfort, especially during activities that exert pressure on the knee joint.

Hoffa's Syndrome Symptoms

Dr. Rossy explaining hoffa fat pad to a patient while he points to the xray on the laptop screen.

The symptoms of Hoffa's Syndrome can vary, but they typically include:

  • Knee Pain: Sharp or aching pain around the front of the knee, often worsened by activities like squatting, climbing stairs, or standing on tiptoes.
  • Swelling: Visible swelling around the kneecap due to inflammation of the Hoffa fat pad.
  • Tenderness: Pain and tenderness when pressing on the area below the kneecap.
  • Reduced Range of Motion: Difficulty fully extending or bending the knee.
  • Clicking or Locking: A sensation of the knee catching or locking during movement.

What Causes Hoffa's Syndrome?

Several factors can contribute to the development of Hoffa's Syndrome, including:

  • Trauma: Direct injury to the knee, such as a fall or blow, can lead to inflammation of the Hoffa fat pad.
  • Overuse: Repetitive activities that strain the knee, such as running or jumping, can cause chronic irritation.
  • Biomechanical Issues: Abnormal knee mechanics, such as patellofemoral syndrome, can increase pressure on the Hoffa fat pad.
  • Surgical Procedures: Previous knee surgeries may disrupt the normal function of the Hoffa fat pad.
  • Bone Spurs or Tight Ligaments: These can press against the Hoffa fat pad, leading to inflammation and pain.
Dr. Prodromo - Princeton Orthopaedic Associates demonstrates a knee model while discussing knee fat pad impingement with a male patient

Ways to Find Relief from Hoffa's Syndrome Pain

Managing Hoffa's Syndrome involves a combination of lifestyle modifications, exercises, and sometimes medical interventions. Here are some effective ways to find relief:

Exercise and Physical Therapy


Controlled squats, such as bench squats or front squats, help strengthen the quadriceps, glutes, and hamstrings while reducing knee pressure on the Hoffa fat pad.

High-Rep Squats:

Performing squats with lighter weights and higher repetitions can build muscle endurance and improve knee stability, alleviating pressure on the Hoffa fat pad.

Knee Band Exercises:

Using knee bands for exercises like knee lifts, squats, and lunges can strengthen the muscles around the knee, reducing the impingement of the Hoffa fat pad.

Other Strategies

Ice Therapy:

Applying ice packs to the knee can reduce inflammation of the Hoffa fat pad and alleviate pain.

Anti-Inflammatory Medications:

Over-the-counter medications like ibuprofen can help manage pain and swelling in the Hoffa fat pad.


Regular stretching routines can maintain flexibility and reduce muscle tightness around the knee, minimizing stress on the Hoffa fat pad.

Meet Our Orthopaedic Knee Specialists

When to Seek Treatment from an Orthopaedic Surgeon

If home remedies and exercises do not provide adequate relief, or if symptoms worsen, it is important to consult an orthopaedic surgeon. They can provide:

  • Accurate Diagnosis: Comprehensive assessment to confirm Hoffa's Syndrome and rule out other conditions.
  • Customized Treatment Plan: Personalized strategies, including physical therapy, bracing, or orthotics to address specific biomechanical issues affecting the Hoffa fat pad.
  • Advanced Interventions: In some cases, minimally invasive procedures like steroid injections or arthroscopy to remove inflamed tissue from the Hoffa fat pad may be necessary.

When to Seek Urgent Care

Immediate medical attention is required if you experience:

  • Severe Pain: Intense, unmanageable pain in the Hoffa fat pad that does not improve with rest or medication.
  • Significant Swelling: Rapid swelling that limits knee movement or causes deformity, indicating severe inflammation of the Hoffa fat pad.
  • Inability to Bear Weight: Inability to stand or walk due to knee pain related to the Hoffa fat pad.
  • Signs of Infection: Redness, warmth, or fever, which could indicate an infection in the Hoffa fat pad or knee joint.

POA Has Six Urgent Care Facilities


11 Centre Drive
Monroe Twp., NJ 08831


5 Plainsboro Road, Suite 100
Plainsboro, NJ 08536


1 Union Street Suite 305
Robbinsville, NJ 08691


325 Princeton Avenue
Princeton, NJ 08540


315 US Highway 206
Hillsborough Township, NJ 08844


340 Scotch Road
Ewing, NJ 08628

Urgent Care Hours

Living with Hoffa's Syndrome can be challenging. Understanding your condition and knowing how to treat it can significantly improve your day-to-day. Focus on exercises that strengthen your knee muscles, maintain flexibility, and seek professional advice to navigate this condition effectively. If symptoms persist or worsen, you should consult an orthopaedic specialist to ensure you receive the best possible care and avoid long-term complications.

princeton orthopaedic associates brand shots jersey orthopaedic surgeons 2023 16

Are you suffering from knee pain?

Please contact us! We'd love to help.

If you have knee pain, please contact us and schedule an appointment. We have urgent care facilities all over New Jersey for your convenience.

This blog post is meant to be informative and should not act as a self-diagnosis tool. If you’d like to see one of our doctors, please contact us here.

poa ortho nj logo 2021 e1638800173949 300x82 3
POA is an outcome-focused orthopaedic practice which combines Extraordinary Talent, Techniques & Tools.
Looking For Something?

© 2023 Princeton Orthopaedic Associates. The contents of princetonorthopaedic.com are licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. Copying without permission is strictly forbidden.

Privacy Policy | Accessibility

linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram This site’s strategy, design, photo & video were created by the marginally-above-average folks @ Clear Partnering Group.