For calf growth
For calf growth, Smith machine calf raise rates higher on our research criteria: easier to progress, easier on the joints.
Donkey calf raise gives more stretch.
Both are good choices that train the calves the same way, so they swap freely. Rotating between them every few weeks is an easy way to vary your training.
The research score comes from these, scored by hand from the studies. Lifter scores appear once an exercise has 10 ratings. How scores work
Donkey Calf Raise. Straight knees and a deep bottom position stretch the gastrocnemius well. Loading it needs a machine or a partner.
Smith Machine Calf Raise. Straight knees keep the gastrocnemius working, and the rails make heavy, deep raises safe and easy to load.
For calf growth, Smith machine calf raise rates higher on our research criteria: easier to progress, easier on the joints. Donkey calf raise gives more stretch. Both are good choices that train the calves the same way, so they swap freely. Rotating between them every few weeks is an easy way to vary your training.
About the same: both are easy to learn.
Donkey calf raise needs a machine, so for most people it’s a gym exercise. Smith machine calf raise needs a Smith machine and a weight plate, so for most people it’s a gym exercise.
Smith machine calf raise: it rates Excellent for joint and recovery cost in our research rubric, against Strong for donkey calf raise.