FAQ (Written the Way People Actually Ask) To understand the underlying mechanics first, start here: Mechanics and Load-path Overview.   Why does carrying a backpack make me hunch or lean forward? Because when weight is carried behind or off your […]

Load Balance, Posture, and the Long-Term Cost of Compensating If a carry bag makes you lean forward, twist, hike one shoulder, or brace your neck, that’s not a comfort issue. It’s a load-path issue. When weight sits off the body’s […]

Why You Feel “Pulled” Now (and What It Can Do Over Time) Lopsided carry isn’t just irritating. It’s repetitive torque applied to a body that still has to function tomorrow. For people with scoliosis, balance constraints, joint instability, or post-surgical […]

Why It Can Become Chronic (Not Just “Uncomfortable”) Shoulder and neck pain from carry bags like backpacks and shoulder bags is rarely just due to padding. It’s usually a load transfer problem: the shoulders become the primary load-bearing interface, the […]

It is exciting to get back to school, but not with back pain from increased backpack use. Classrooms are being modified for students and teachers to return safely to school during the COVID pandemic.  Many of these adjustments require increased […]

WHAT BackTpack® is an evidence-based, axial-loading carrying system designed by a physical therapist as an orthopaedically-healthy solution to school backpack issues such as student pain and poor posture. WHY Common school backpacks, with their off-axis design, create postural distortion which […]

The most efficient way to carry a load, is axially through the head and neck. Native populations around the world have known this for centuries. Although BackTpack is an axial-loading system, unlike the common backpack, it would be even better […]

Backpacks are off-axis loading systems. There is no way to safely carry weight in a backpack, no matter how light the load, because it disrupts our body mechanics by design. Even an empty backpack can distort posture, which may lead […]

New research reports that the force on the spine when carrying a common backpack is 7.2 times greater than the load itself.

A school chair must allow and support proper sitting posture of a neutral pelvis and upright trunk and head. This is done with a chair that has the following features: (1) Seat platform level (no forward or backward tilt), but may be molded (2) Backrest with lumbar support, and vertical, with spring or give for some movement. The backrest should not be reclined or posterior to seat platform.