Instructions:

1. Attach a cable handle to the lowest setting on a cable machine.
2. Stand facing the machine with your feet shoulder-width apart.
3. Hold the cable handle with an underhand grip, palms facing up, and arms fully extended.
4. Lower your body into a squat position, keeping your back straight and knees behind your toes.
5. As you squat down, curl the cable handle towards your shoulders, keeping your elbows close to your sides.
6. Pause for a moment at the top of the curl, squeezing your biceps.
7. Slowly lower the cable handle back to the starting position, fully extending your arms.
8. Repeat for the desired number of repetitions.