Cycling works 7 muscles — 4 main muscles and 3 supporting muscles. Estimated burn: ~625 kcal/h (8.5 METs).
Cycling works 7 muscles — main muscles worked: Quads, Glutes, Soleus / Deep Calf, Calves (Upper); supporting muscles: Hamstrings, Hip Flexors, Core / Abs.
Yes. Your Quads is a main muscle worked by Cycling in every session, along with Glutes and Soleus / Deep Calf.
Saddle Climbs · High-Cadence Spin · Threshold Intervals
Stretch hip flexors and thoracic spine regularly to offset sustained forward lean.