There are two main types of muscles that contribute to a solid core
Sitting at your desk all day, every day, is eventually going to cause some kind of pain and dysfunction in your back, unless you take proactive measures to stop its occurence! For most people, a prescription of improving posture would suffice but its hardly that simple of a problem. No matter how many times you are told to sit up straight, you’re not going to be able to maintain it unless you have postural balance. No matter how you spin it, good posture starts with the muscles.