Risk Concern of Intervertebral Disc Damage upon and immediately after re-exposure to Gravity [inactive]
Short Title: IVD Last Published:  07/30/21 01:05:31 PM (Central)
Element: Human Health Countermeasures (HHC)
Evidence:  Report
Risk Master Logic Diagram:  Not Available
Point of Contact:  Jean Sibonga
HRP Risk Status: Inactive [no current ongoing research]
Inactive Rationale
The IVD Concern item has been closed at the Human System Risk Board (HSRB) level. Therefore, no research is currently being performed by the Human Research Program.
Inactive Documentation:
No Inactive Documentation Available
Risk Ratings and Dispositions per Design Reference Mission (DRM) Category
DRM CategoriesMission Type and
Duration
OperationsLong-Term Health
LxCRisk Disposition *LxCRisk Disposition *
Low Earth OrbitShort
(<30 days)
Not ApplicableNot ApplicableNot ApplicableNot Applicable
Long
(30 days-1 year)
Not ApplicableNot ApplicableNot ApplicableNot Applicable
Lunar OrbitalShort
(<30 days)
Not ApplicableNot ApplicableNot ApplicableNot Applicable
Long
(30 days-1 year)
Not ApplicableNot ApplicableNot ApplicableNot Applicable
Lunar Orbital
+ Surface
Short
(<30 days)
Not ApplicableNot ApplicableNot ApplicableNot Applicable
Long
(30 days-1 year)
Not ApplicableNot ApplicableNot ApplicableNot Applicable
MarsPreparatory
(<1 year)
Not ApplicableNot ApplicableNot ApplicableNot Applicable
Mars Planetary
(730-1224 days)
Not ApplicableNot ApplicableNot ApplicableNot Applicable
Note: LxC is the likelihood and consequence rating. Concerns (versus risks) do not have sufficient evidence to support an LxC assessment and Risk Disposition. The information above was last approved by the Human System Risk Board in 1/2015.
Risk Statement
Concern Statement:
Given the morphological and possible biochemical changes in the IVD (intervertebral disc) during mechanical unloading in space, there is the possibility of IVD damage upon and immediately after re-exposure to gravity (1/6, 3/8 or 1G).
Gaps (1)