The investigation of this observational case–control study aimed at determining the effectiveness of a combined treatment of extremely low-frequency electromagnetic fields (ELF) with a soft elastic knee brace versus ELF alone in knee osteoarthritis (KOA) with respect to a reduction in pain and functional recovery. We hypothesized that the combined use of ELF and a soft elastic knee brace may provide better results. Thirty-five patients (N = 35, divided into Group 1 = ELF and Group 2 = ELF with the soft elastic knee brace) were analyzed. The rehabilitative protocol consisted of 10 sessions of antiphlogistic and antiedema programs (first cycle) for 2 weeks, followed by twelve sessions of bone repair and connective tissue repair programs (second cycle) in patients with knee osteoarthritis (KOA) for 4 weeks. Patient evaluations were conducted at baseline (T0) and after 2 (T1) and 4 (T2) weeks of treatment. A follow-up evaluation was conducted 6 weeks after treatment (T3). The LIMFA© Therapy System was used to create multifrequency magnetoelectric fields with an intensity of 100 µT and a low-frequency field. The Incrediwear Cred 40 knee sleeve (Incred) was used for alleviating knee pain. The Visual Analogue Scale (VAS), the Knee Injury and Osteoarthritis Outcome Score (KOOS), and the Lysholm score (Ls) were used as outcome measures. The results showed that pain at rest (Vr), pain in motion (Vm), KOOS, and Ls were significantly affected by ELF over time. In conclusion, Group 2 had a better response in terms of pain resolution at rest (p < 0.05) and a concurrent better response at T3 in terms of functional recovery (p < 0.05).

Without the intervention of muscular strength and proprioceptive function, humans would not be able to maintain the upright position , it would tend to fall. This continuous solution of instability promotes a more dynamicity , because an unstable balance structure can be put in motion more easily than a stable balanced structure. In fact, human body is capable more of mobility at the expense of stability. Postural control is the ability of the body to manage high instability situation , near to the point where postural balance is no longer recoverable. It is based on coordinated and synergistic mechanisms of proprioceptive and exteroceptive act. The new exoskeleton HBP (Human Body Posturizer), has the objective of physiologically aligning the column to get a beneficial effect on the alignment of the global subject by stimulating peripheral proprioceptors. We have developed an evaluation protocol through the use of measurement instruments: the Biometrics digitized system and the I-Moove Coordination Test , in a sample of 50 healthy young subjects , randomly taken from healthy population , to detect changes in postural parameters and motor coordination ,before, after and during use of HBP. Results show that the exoskeleton immediately changes the posture and balance of the subjects examined, surely acting also on peripheral receptors toward a physiological spinal alignment.