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Updated: May 25, 2026

Back Mechanical Sensitivity Assessment in the Rat for Mechanistic Investigation of Chronic Back Pain

Back Mechanical Sensitivity Assessment in the Rat for Mechanistic Investigation of Chronic Back Pain

Published on: August 30, 2022

Space adaptation back pain: a retrospective study.

Eric L Kerstman¹, Richard A Scheuring, Matrr G Barnes

¹The University of Texas Medical Branch, Galveston, TX, USA. ekerstman@wylehou.com

Aviation, Space, and Environmental Medicine

|January 26, 2012

Summary

This summary is machine-generated.

Over half of astronauts experience back pain during spaceflight adaptation. While typically mild, severe cases may impact missions, necessitating better prevention and treatments.

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Area of Science:

Space Medicine
Astronaut Health
Human Physiology in Microgravity

Background:

Back pain is a common complaint among astronauts during the initial phase of spaceflight adaptation to microgravity.
The epidemiological characteristics of space adaptation back pain are not well-established.
Understanding this phenomenon is crucial for astronaut well-being and mission success.

Purpose of the Study:

To establish a clear case definition for space adaptation back pain.
To determine the incidence rate of this condition among astronauts.
To evaluate the efficacy of existing therapeutic interventions for space adaptation back pain.

Main Methods:

A retrospective review of medical records from various space programs including Mercury, Apollo, ASTP, Skylab, Mir, ISS, and Shuttle.
Identification and recording of all in-flight back pain episodes meeting the defined criteria for space adaptation back pain.
Documentation of pain characteristics (intensity, location, duration) and the effectiveness of specific treatments administered.

Main Results:

The incidence of space adaptation back pain was found to be 52% (382 out of 728 astronauts).
The majority of affected astronauts reported mild pain (86%), with 11% experiencing moderate and 3% severe pain.
Fetal positioning (91% effective) and the combination of analgesic medications and exercise (85% effective) were the most successful treatments.

Conclusions:

Space adaptation back pain is generally mild and self-resolving.
Moderate to severe cases pose a risk of functional impairment and mission disruption if unresponsive to current treatments.
Further research into preventive strategies and enhanced treatment options is warranted to mitigate the impact of spaceflight-induced back pain.