  The short- and intermediate-distance behaviour of the hybrid adiabatic
potentials is calculated in the framework of the QCD string model. The
calculations are performed with the inclusion of Coulomb force. Spin-dependent
force and the so-called string correction term are treated as perturbation at
the leading potential-type regime. Reasonably good agreement with lattice
measurements takes place for adiabatic curves excited with magnetic components
of field strength correlators.
