This upper-body workout chisels strong chest, shoulder and arm muscles without push-ups, using just three exercises.

The core gets a lot of attention when it comes to aesthetics. But your torso muscles—which include your abs, back, glutes, and hip flexors—play a crucial role in cycling that goes way beyond looks.

Of course you want a more powerful stride as you cruise through your miles so you gain better running economy, more speed, and stay injury-free. For that, you might lean on strides and speed workouts ...