the aim of the study is to determine the effect of 4h HBF and subsequent passive 1g axial loading upon stature, cervical IVD height) cervical muscle (Longus Collis and Semispinalis Cervicis) thickness and CSA assessed with ultrasound, cervical vertebral compliance, their relationships to induced stature increments and neck pain.
Study with the aim to see the effect on a space ground anaologue, Hyperbuoyancy Floatation (HBF) on cervical column.