Lower cross syndrome involves overactivity in hip flexors and back extensors, coupled with weakness in lower abdominals and gluteals, leading to overload in the extremities and spine.

“so i didn't go into the specifics for lower cross syndrome lower cross syndrome you have a tendency for the flexor hip flexor complex to be overactive tightened so the psoas iliopsoas rectus femoris the uh back extensor musculature will also tend towards tightness and then the weakness or the inhibition will tend toward be towards the lower abdominal region in the gluteal region so looking at it globally you would see a tendency to overload again throughout the extremity throughout the extremities so that the hip joint the knee joint but also specifically dealing with the spine the lumbar sacral region thoracic lumbar region and the cervical thoracic region all the areas where you see the transition of the curvatures lordosis and kyphosis”