The area moment of inertia (also called the second moment of area) defines the resistance of a cross-section to bending, due ...

The limit applies to wood-type clubs only. Other current clubhead requirements that may have an effect on MOI remain in effect. This includes such requirements as those relating to volume, head ...

The increase in MOI of drivers today is noteworthy as a number, but what’s telling about MOI is that when the USGA set the legal limits on forgiveness, it upped the original stricture from 4,800 ...