Intramembranous ossification is the dominant healing mechanism for porous parts of the bone, a dominant structure in the metaphysis. Contrary to cortical healing, it is characterized by the direct conversion of mesenchymal cells into bone tissue . Most of the MSCs are readily available by residing in the trabecular bone. The gap between fractured elements must be minimal in size and anatomically correct . Compared to cortical healing, cartilage formation with an external callus is usually only observable in case of mechanical instability as a result of engaging the periosteum in the healing process, while the instability is mostly thought about in the form of cyclic deformation. From a medical perspective, such cyclic deformation phenomena is even believed to be beneficial for optimal bone formation in cancellous bone .