This PDF file from the University of New Mexico Cooperative Extension Service is a wealth of informtation to understanding what and where to take your measurements so you can sew your own pants that fit.
New Mexico State University offers this great information to help you choose a sewing pattern that will meet your sewing desires. Learn how and what to measure and what to consider when choosing a pattern.
This is a not-to-be-missed PDF file of information from the University of New Mexico Cooperative Extension. This article is the solution to when, how and where to make pattern adjustments and understanding those pattern adjustments.
This article takes you through making shoulder adjustments to a sewing pattern. "Good shoulder fit improves the overall finished garmetn appearance, as well as your wearing comfort." is just the tip of the iceburg for dealing with fitting shoulders.
Explore this Threads Magazine article to understand making pattern alterations on seam lines.The techniques described in this article may be the perfect solution for you, even if other methods have failed.
Pattern Drafting Software is a great way to design your own patterns that will fit... if you understand the information you must feed tot he software. Learn about the amount of ease you will want tio tell the software you want in a garment by reading this article.
This article has easy to follow, photo details to understand the alterations you need to make to a pattern piece to adjust for a narrow back.
You can alter a pattern for a rounded upper back. Follow this Thread's Magazine article to learn more.