my lower back always rounds during:

- L-Sits
- L-Hangs

and to a lesser degree (I can prevent it by actively bracing and flexing the erectors) on bent-knee-raises


I could tell a long story about my back issues, but I guess its not that important. My back rounds on these movements and in daily life, and it give me pain, which I'd like to prevent =)

thx in advance!

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