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)