For forearm growth
For forearm growth, hammer curl rates well ahead on our research criteria: more of the work on the forearms, easier on the joints.
The research score comes from these, scored by hand from the studies. Lifter scores appear once an exercise has 10 ratings. How scores work
Farmer's Carry. Superb for grip strength; less direct for forearm size.
For forearm growth, hammer curl rates well ahead on our research criteria: more of the work on the forearms, easier on the joints.
About the same: both are easy to learn.
Farmer's carry needs dumbbells, so a home gym covers it. Hammer curl needs dumbbells, so a home gym covers it.
Hammer curl: it rates Excellent for joint and recovery cost in our research rubric, against Strong for farmer's carry.