A–Z Glossary

C7 vertebra

The C7 vertebra is the prominent bone at the base of the neck used as a landmark for torso measurement.

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Choosing the right backpack size and fit for a child

Choosing the right backpack size and fit for a child

Why backpack size and fit matter A backpack changes how weight is distributed across the musculoskeletal system. When the load hangs low or away from the body, it creates a longer lever arm, increasing the effort required from the trunk and shoulder muscles to maintain balance. A child may compensate by leaning forward, rounding the […]