A robotic limb comprising a closed tubular casing (2) made of viscoelastic material defining a chamber (4) containing an incompressible fluid (F), said casing (2) incorporating a sheath (3) formed by substantially inextensible intertwined wires, in the chamber (4) there being provided groups of transverse actuators (5) axially spaced from each other, connected to said sheath (3) and adapted to reversibly contract the casing (2) at least partly in the radial direction, longitudinal actuating means (6) adapted to reversibly contract the casing (2) at least partly in the axial direction being connected to each group of the transverse actuators (5).
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