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258  Section IV: Postoperative Care and Rehabilitation

           below are some general principles to remember during the rehabili-  Goals
           tation of the neurological patient.               Relieves pain, reduces inflammation, and accelerates tissue repair
             • Body parts can compete for representation in the brain and use of   and cell growth.
            a body part can enhance its representation, in the same way as
            lack of use will shrink its representation in the CNS [1–3].  Applications
             • The premotor cortex can substitute for the motor cortex to control   Musculoskeletal pain, nonhealing wounds, and pressure sores.
            motion. It has been demonstrated that although the main output of
            the premotor cortex is ordinarily the primary motor cortex, it can   Contraindications
            also be the source of supraspinal control signals [1,2].  Over areas of infections or neoplasia [11].
             • The contralesional hemisphere can take over motor control if all
            else fails. Ipsilateral corticospinal neural pathways have been doc-  Thermotherapy
            umented, especially for more proximal muscles. In severe unilat-  Mechanism of Action
            eral hemisphere lesions, the undamaged hemisphere could take   Superficial heat and cold are used therapeutically to manage soft
            over and enhance the use of this pathway, although the exact   tissue and joint injuries, altering the inflammatory response. The
            mechanism is unkown [1,5,6].                     most important physiological effects are as follows.
             • Neuroplastic mechanisms can be facilitated and this is a good     • Superficial heat: vasoconstriction, decreases blood flow, decreases
            basis for intervention. Early, intensive and focused NR is greatly   swelling, reduces enzyme‐mediated tissue damage, analgesia.
            advocated [1]. The neuroplasticity of the patient underlies all     • Superficial cold: vasodilation, increases blood flow, relieves pain,
            learning and will be enhanced by following five principles: prac-  increases soft tissue extensibility, relaxation of muscle spasm.
            tice, specificity, repetition, intensity, and motivation [7,8].
                                                             Goals
                                                                • Superficial heat: pain relief in chronic lesions, increase in elasticity
           Physical Modalities                                 of muscles, tendons and ligaments, and relief of muscle spasms.
           Physical modalities refer to a group of therapies applied in patients     • Superficial cold: pain relief in acute lesions.
           with neurological and motor rehabilitative dysfunction. These
           modalities are characterized by specialized exercises and applica-  Applications
           tion of noninvasive equipment with precise purposes in the restora-    • Superficial heat: chronic lesions, chronic pain, decrease in range
           tion or maintenance of the debilitated patient. This chapter focuses   of motion, and muscle spasms.
           on the rehabilitation of neurological diseases (intracranial, spinal,     • Superficial cold: acute lesions and acute pain.
           or neuromuscular disorders). Some of the most common therapies
           are described in the following sections.          Contraindications
                                                             Over areas of infections, neoplasia, and open wounds [9,10].
           Electrical Stimulation
           Mechanism of Action                               Therapeutic Ultrasound
           Electrical stimulation is applied by an electrical stimulator that   Mechanism of Action
           transmits a current from one electrode to another in a specific area   A deep heating modality that can elevate tissue temperature at
           of the body. The stimulator parameters (frequency, amplitude, duty   depths of 2 cm. The mechanism of action is the same as that for
           cycle, and intensity) are modified to achieve a specific function and   superficial heat but at a deeper level. Additionally, this modality has
           purpose.                                          nonthermal effects caused by cavitation and acoustic streaming.
           Goals                                             Goals
           To increase muscle strength, control pain, and reduce  muscle   Vasodilation, pain relief in chronic lesions, increase in elasticity of
           spasms  and edema;  and to  provide neurological  stimulation   muscles, tendons and ligaments, relief of muscle spasms, and stimu-
           (sensory).                                        lation of healing.
           Applications                                      Applications
           To prevent muscle atrophy, to build up muscle mass, and reduce   Chronic lesions at deeper locations or affecting large muscles (i.e.,
           neuropathic pain and pain associated with osteoarthritis, muscle   quadriceps muscle; Figure 29.1), fibrosis of soft tissue and ankylosis
           spasms, edema, and decreased nociception.         due to prolonged  immobilization, and nonhealing ulcers or
                                                             fractures.
           Contraindications
           Over areas of neoplasia or infections; patients with pacemakers [9,10].  Contraindications
                                                             Over areas of infections and neoplasia and areas with a metal
           Laser Therapy                                     implant [9,10].
           Mechanism of Action
           The term “laser” is an acronym for “light amplification by stimu-  Massage
           lated emission of radiation.” A laser is an instrument that produces   Mechanism of Action
           stimulated emission of photons. The proper application of laser   Massage is the manipulation of soft tissues of the body by the thera-
           therapy to the target allows each individual cell the opportunity to   pist’s hands and by use of other instruments. There are multiple
           absorb as many photons as possible, and this photobiostimulation   techniques directed towards a specific purpose but, basically, all of
           increases cellular health and energy.             them apply pressure for tissue movement.
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