From my own clients' experiences, I've seen firsthand why modifying single-leg exercises is crucial for people with different body compositions and injury histories. For instance, clients carrying a higher amount of body fat often struggle with balance and stability during split squats or lunges, which can lead to frustration or poor form. To help, I recommend starting with supported variations or introducing machines like the single-leg press to build strength safely. In cases where clients have existing injuries—particularly in knees or hips—pain can prevent them from performing standard single-leg moves. Instead of pushing through discomfort, modifying the workout to focus on pain-free movements is essential. This might mean reducing the range of motion, using assistive equipment, or substituting with alternative exercises that still engage key muscles without risk. One key point I always emphasize is the importance of stabilization. Split squats and lunges are not just about muscle building; they also train the stabilizer muscles which contribute to balance and injury prevention. For beginners, practicing these exercises before advancing to heavier machines can provide a useful benchmark of mobility and stability. However, if someone really dislikes single-leg bodyweight exercises due to discomfort or preference, I encourage swapping them out for the single-leg press machine. Though it doesn’t engage stabilizers to the same extent, it still allows for unilateral strength development, which is much better than skipping single-leg work entirely. Overall, it’s about meeting your fitness where you are and adjusting accordingly. Whether you’re focusing on hypertrophy or functional fitness, there’s always room to find exercises that suit your needs while supporting your goals.