For example, 63 Cu (29 protons and 34 neutrons) has a mass number of 63 and an isotopic mass in its nuclear ground state is 62.91367 u. There are two reasons for the difference between mass number and isotopic mass, known as the mass defect:
The Electra complex is an ambiguous psychiatric concept which attempts to explain the maturation of the human female. It is said to be the female counterpart to the Oedipus complex in males.
Muscle Energy Technique (MET) is a manual therapy that uses the gentle muscle contractions of the client to relax and lengthen muscles and normalize joint motion. Post Isometric Relaxation (PIR) â Muscle to relax after an isometric contraction (Basis of MET).To define it specifically, it is âa direct manipulative procedure that uses a voluntary contraction of the patientâs muscles against a distinctly controlled counterforce from a precise position and in a specific directionâ.ost Isometric Relaxation (PIR) â Muscle to relax after an isometric contraction (Basis of MET). To define it specifically, it is âa direct manipulative procedure that uses a voluntary contraction of the patientâs muscles against a distinctly controlled counterforce from a precise position and in a specific directionâ.