Your infrapatellar fat pad is one of three pads of fatty soft tissue lying under your kneecap (patella), at the front of your knee. It’s also known as the Hoffa’s fat pad. It sits behind and just below your kneecap (patella), where it acts as a protective cushion, separating your kneecap from your shin and thigh bones.
Infrapatellar fat pad syndrome is when your fat pad becomes pinched (impinged) between your kneecap and thigh bone, or your thigh and shin bones. It’s also known as infrapatellar fat pad impingement. Your infrapatellar fat pad has a rich supply of nerves, so impingement can be very painful.
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