In the Taconian internal zone of southern Quebec, structures related to hinterland-directed motion are found on both limbs of the Sutton-Notre-Dame mountains anticlinorium (D 3 W e s t and D 3 E a s t structures) and along the St-Joseph fault. These ductile to brittle-ductile structures were formed during upper- to mid-greenschist grade metamorphic events, thus suggesting that the area occupied a mid-crustal position during hinterland motion. Layer-extensional fabrics along the eastern limb of the Sutton-Notre-Dame mountains anticlinorium can be interpreted either as structures contemporaneous to backthrusting deformation rooted on the western limb of the anticlinorium or as structures formed during normal faulting along the St-Joseph fault. The study of layer-extensional structures found in the Taconian internal zone of the southern Quebec Appalachians shows that it is not obvious to infer wether normal-sense fabrics that occur in orogenic hinterlands are related to regional crustal extension or to local syn-collisional extensional faulting.