See: "Modular head".
- Head-neck length
Describes the distance between the centre of the head and a reference point on the taper in the direction of the taper axis. The size specifications which range from XS to XXXL vary between manufacturers.
Arthroplasty in which one component is cemented while the other is not cemented. In hip replacement, „hybrid“ refers to the combination of a cemented stem and a uncemented acetabular component, while „reverse hybrid“ refers to the combination of an uncemented stem and a cemented acetabular component. In the case of knee arthroplasty, „hybrid“ refers to the combination of cemented tibial support and uncemented femoral component and „reverse hybrid“ the reverse combination.