True Back Muscles | The Splenius & Erector Spinae Groups
14:50
True Back Muscles | The Transversospinales and Segmental Groups
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3 Erector Spinae Stretches
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Erector spinae (back muscles)
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The Major Ligaments of the Spine
31:44
Psoas Secrets: Your Jaw and Cranium Control Your Psoas/Hip Flexors
1:55:27
Worst Fails of the Year | Try Not to Laugh 💩
18:01
RELEASE Upper Trapezius & Levator Scapulae Muscle Tension FOR GOOD
15:31