@fish3rofm3n Barbells are ultimately the easiest way to add leg mass, but here's some options for bodyweight leg training which requires only a nordstick for the nordic curls. I personally build my training around shrimp squats + high jump for quads and nordic curls + sprints for hams, sometimes I add broad jump for glutes which are somewhat targeted by all of the above. And as always, eating big is a must.
I would centre anterior chain training around with shrimps and high jump as primary movements. My suggestion for squat progressions would be regular squats, bw hack squats (but keep your torso upright) -> bulgarian split squats, ATG split squats, and cossack squats -> pistol squats, int./adv. shrimp squats, natural one leg press, all of which should keep you busy for a while. Ido Portal has some youtube videos on shrimp squat progression. Quad accessories could be easier progressions w/ dumbbells, lunges, sissy squats, human knee extensions, and maybe some ATG split squats, deck squats, and dragon squats if you want to work mobility.
Posterior chain training should be built around nordic curls and sprints. You can start with single leg deadlifts and floor curls if you want, but they get easy pretty fast and are best left as accessories (still pretty easy even fatigued tbh). There isn't really progressions required to build to nordics or sprinting, just start with easier variations of the exercises themselves and build up to full nordics and good sprint times. Hill sprints are a good way to get a bit more glue focus out of sprints (and make them harder overall) and broad jumps are another great bw glute exercise, possibly even the best option for hip extension.
My (somewhat) comprehensive list of bw leg movements is:
- Tibialis: tibialis raises
- Calves: straight + bent knee calf raises, both are important
- Quads: step ups, hack squat, sissy squat, human knee extension, ATG split squat, dragon squat, deck squat, pistol squat, shrimp squat, high jumps
- Hamstrings: single leg deadlifts, floor curls, nordic curls, sprints, hill sprints
- Glutes: hip thrusts, broad jump
- Hip flexors: front leg raise
- Glute med: side leg raise
- Adductors: side split holds, horse stance