Here is the list of muscles potentially responsible for these pains, a link can be selected for more details on a particular muscle: Iliocostal thoracic muscle Multifidus muscle Posterior and inferior serratus muscle Rectus abdominis
Here is the list of muscles potentially responsible for these pains, a link can be selected for more details on a particular muscle: Iliocostal thoracic muscle Multifidus muscle Posterior and inferior serratus muscle rectus abdominis