I
Inferior
Inferior is a positional anatomical word meaning 'below'.
Inflammation
Inflammation is a condition of distress of body tissues, where irritant chemicals are released and trigger a protective cellular response from the body.
Infrapatellar
Infrapatellar means below the patella (kneecap).
Infrapatellar brace
An infrapatellar brace is a firm elasticated tube which goes around the limb under the patella, to change the forces on the patellar tendon.
Infrapatellar bursitis
Infrapatellar bursitis is an inflammation of the infrapatellar bursa, below the kneecap.
Infrapatellar contracture syndrome
Infrapatellar contracture syndrome is a condition of excessive scarring behind the patellar tendon, in the area below the fat pad (infrapatellar). Page updated March 2024 by Dr Sheila Strover (Clinical Editor)
Infrapatellar plica
The infrapatellar plica is a filmy structure - not always present - that stretches from the notch of the femur to the fat pad. It is also commonly referred to as the ligamentum mucosum.
Innervated
Innervated means 'supplied by nerves'.
Innervation
Innervation is the nerve supply of a structure.
Insall-Salvati Ratio
The Insall-Salvati Ratio is the ratio of the length of the patellar tendon to the length of the patella, when measured on an X-ray or MRI with the knees bent to 30 degrees.