LOL i have actual studied personal training. i did want to do women in my age group as i reckon we get really stuffed around by CW all that cardio, light weights and lovely low fat muffins with being lucky to make it down to a size 14. i kid you not, i have heard women within my age group and a good 20+kg bigger than me, swapping low fat muffin recipes in the shower after they've done their cardio at the gym. anyways, work restructured and i managed to keep my job so i didnt have the time to study after that so i had to flag it. all they were teaching us was CW but it is a piece of paper which give you credibility.
LL they did tell us back problems were from the abs being weak. lmfao the guy who taught me exercise presciption was trying to get me to get my client who had back problems and was my age and sex and 3" shorter and 36+kgs heavier than me to do those laying leg raise things where you hold your legs 6" off the ground to strengthen her back. i ignored him as i have no back issues and they have hurt me before. if you look at the you tubes about clubbells, the MMA guy talks about the core and back area being a something? chain. it is all connected. and definitely, if you think about how you move in natural surroundings such as up and down hills, and you focus, you can feel it all moving together. so yes gwamma i think you are right with your 2 + 2 there.