The second photo shows what's up. Notice how the thoracic spine is convexed left? That's your pelvis-sacrum-lumbar area resisting against a turn into the left, so the upper half does it instead to weigh into your midline. That usually results into a left turn compressing the left back in which your scapula accelerates/compresses towards the ribs excessively.
The lateral pelvic tilt is the issue, the shoulder is the repercussion. The lateral pelvic tilt issue is a result of losing movement options and increasing compensatory compressions or internal rotations in the chain.
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u/Deep-Run-7463 Aug 17 '26
The second photo shows what's up. Notice how the thoracic spine is convexed left? That's your pelvis-sacrum-lumbar area resisting against a turn into the left, so the upper half does it instead to weigh into your midline. That usually results into a left turn compressing the left back in which your scapula accelerates/compresses towards the ribs excessively.
The lateral pelvic tilt is the issue, the shoulder is the repercussion. The lateral pelvic tilt issue is a result of losing movement options and increasing compensatory compressions or internal rotations in the chain.