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перегрузка "спина – грудь" stresses
avia.	heart moves toward front acceleration; spineward acceleration
avia., med.	backward acceleration; chest-to-back acceleration; eyeball-out acceleration; prone acceleration; rearward acceleration
med.	front-to-back acceleration
перегрузка "спина-грудь"
gen.	spineward acceleration
avia., med.	back-to-chest G; prone G
Makarov.	chest-to-back acceleration

перегрузка "спина – грудь: 25 phrases in 5 subjects

Astronautics	5
Aviation	5
Aviation medicine	9
General	3
Medical	3