Basis, indications and risk
Maintaining level of activity
It consists of remaining as active as the pain allows, and leading
as normal a life as possible while the pain lasts.
Objective
To shorten the duration of the pain, to decrease the limitation
of activity while the episode lasts, and to diminish the risk of
the pain becoming chronic.
Theoretical base
To maintain a maximum level of activity can improve the evolution
of patients with back pain through several mechanisms:
- There are studies that demonstrate that, through a reflex mechanism,
movement tends to relax the muscles. For example, it has been
demonstrated that the stretching of the membrane that surrounds
the facet
joint relaxes the back muscles. This would explain why maintaining
the highest possible level of activity prevents or improves muscular
contracture and, inversely, maintaining rigid or constant
postures - for example, in bed - facilitates the appearance or
persistence of muscular contracture.
- There are studies that demonstrate that muscular tone is rapidly
lost. Including after a short four day rest, muscular tone can
start to decrease. This would explain why those patients who have
bed rest take longer to recuperate and to lead a more normal lifestyle
than those who do not.
- There are studies that demonstrate that in subjects who have
a predisposition due to psychological or social factors, the limitation
of activity strengthens the fear of pain and establishes a vicious
circle which increases the risk
of the pain lasting longer and of reappearing.
Maintaining the highest possible level of activity decreases the
risk of this occurring.
Scientific Proof of its Efficacy
All of the scientific studies done to date demonstrate that maintaining
the highest level of activity permitted by the pain is effective
in shortening its duration, in shortening and improving limitations
to normal lifestyle, and in reducing work absenteeism. Risks
None. Indications
Recommendations
based on the available scientific evidence coincide in stating that
it is necessary to remain as active as possible during the period
of pain, and to avoid bed rest.
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