James A. Porterfield Books

Mechanical Neck Pain: Perspectives In Functional Anatomy

By Carl DeRosa, James A. Porterfield, James A. Porterfield PT MA ATC, Carl DeRosa PT PhD, Rehabilitation And Health Center, Inc

Average: 0.00, 0 Ratings

Organized into six easy-to-follow chapters, this text clearly represents the relationship between the central nervous system and related areas of the cervical spine. It offers extended coverage of...

Mechanical Low Back Pain: Perspectives In Functional Anatomy

By James A. Porterfield, James A. Porterfield PT MA ATC, Carl DeRosa PT PhD, James A. Porterfield PT MA ATC, Carl DeRosa PT PhD

Average: 0.00, 0 Ratings

The 2nd Edition of this unique book examines the functional anatomy of the lower back. From this perspective, it develops a system for evaluating the origins of mechanical low back pain, and recomm...

Mechanical low back pain

By James A. Porterfield

Average: 0.00, 0 Ratings

Mechanical Shoulder Disorders

By James A. Porterfield, Carl DeRosa, James Porterfield

Average: 0.00, 0 Ratings

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.