Gist
Walking lunges challenge the core to control rotation and shifting balance, though direct trunk work remains easier to quantify and progress.
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.
Walking lunges use the hamstrings for hip control and support, but their hamstring-growth stimulus is less predictable than that of hinges and leg curls.
Yes. Walking lunges repeatedly load knee extension, making them a practical quadriceps exercise when stride quality and resistance progress.
Yes. Walking lunges can build the glutes when each step reaches useful hip flexion and the lead leg performs the rise rather than the trailing leg pushing the body forward.