@takamorii's post on Artfol

i’ve had art block for ages due to not knowing how to do poses well, does anyone have anatomy tips (・∀・)May 16, 2021
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I think gesture drawings would be the right thing for you, there are a lot of how to on Pinterest and YouTube and many websites which focus on this and will give you a ton of references (eg: https://line-of-action.com/practice-tools/figure-drawing/)
Figure skating pictures, or sports in general! Maybe dancing? Anyway the Perfect source is Pinterest;) you can take inspo there from photos or pose reference sketches!
create a Pinterest board just for art tips/references and save a bunch of anatomy tips and pins to reference while drawing 👍 you can try practicing or just force yourself to draw 💀 for me it’s like procrastinating homework but once I start it’s not bad