Bone
Patella
Kneecap - largest sesamoid bone
High-yield
Largest sesamoid bone in the body; lies within the quadriceps/patellar tendon and improves extensor leverage.
Overview
The largest sesamoid bone, embedded in the quadriceps tendon, that increases the leverage of knee extension and protects the joint.
Reference facts
- Bone type
- Sesamoid
- Key landmarks
- Base (superior); Apex (inferior); Articular (posterior) surface with medial and lateral facets
- Articulations
- Femur (patellofemoral joint)
Frequently asked questions
What type of bone is the patella?
The patella is a sesamoid bone.
What does the patella articulate with?
The patella articulates with the femur (patellofemoral joint).
What are the key landmarks of the patella?
Key landmarks of the patella include the base (superior); Apex (inferior); Articular (posterior) surface with medial and lateral facets.