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Stress is less when weight is close to spine

6

Object placed between knees keeps weight closer to spine’s center and the back is more able to preserve the curves.

Alaska Marine Safety Education Association

2924 Halibut Point Road

Sitka, Alaska 99835

Tel: (907) 747-3287 ~ Fax: (907) 531-1756

© 2020 by AMSEA. All rights reserved.

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