Gist
The front-leg calf works to stabilise the ankle and balance the body, although direct calf training is still needed for the most predictable growth.
Jump squats challenge the calves during rapid plantar flexion, but the low time under tension makes them better for power than for dedicated hypertrophy.
Lunges train ankle control and the calves contribute during the step and return, though direct calf raises provide a clearer hypertrophy stimulus.
The calves contribute to foot and ankle stability, but wall sits do not include the repeated plantar flexion needed for a strong calf-growth stimulus.
The calves stabilise the planted foot and contribute to the return, but reverse lunges are supplementary rather than primary calf training.
Lateral lunges demand ankle control and can challenge the calves, yet direct calf work remains the more reliable route to size.
The calves work during landing, balance and push-off across every step, but walking lunges rarely provide the isolated plantar-flexion overload used for maximal calf growth.
Standard leg presses use the calves mainly for ankle stability. A deliberate calf-press variation is more specific for calf growth than ordinary repetitions.
The calves stabilise the ankle and may assist the final rise, but ordinary step-ups do not provide the repeated plantar-flexion range of dedicated calf raises.