Definition of nervous for English Language Learners. : 1  having or showing feelings of being worried and afraid about what might happen. : 2  often or easily becoming worried and afraid about what might happen. : 3  causing someone to feel worried and afraid : making someone nervous.
Most patients after hip surgery are kept on partial weight-bearing for 6 weeks. In theory, patients with cemented prostheses are capable of bearing full weight immediately after surgery. The cement has reached 90% of its strength some 10-15 minutes mixing.
The most common is Ti-6 aluminum Ti-4 vanadium (Ti6Al4V), but other more modern alloys are coming into use. Because of the lower moduli of elasticity than cobalt-based alloys or surgical stainless steel, titanium-based alloys have not been found to be as reliable a material when used as a cemented hip replacement.