Modalities- Massage And Ultrasound

The correct answer suggests that once the massage has started, it is important to maintain continuous contact with the patient. This ensures that the flow and effectiveness of the massage are not interrupted. Breaking contact with the patient can disrupt the relaxation and therapeutic benefits of the massage. Therefore, it is crucial to maintain contact throughout the session.

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Petrissage is a term used to describe a lifting and squeezing technique that is applied to the superficial fascia and underlying structures. It involves kneading the tissues in a rhythmic and repetitive manner, using various hand movements such as squeezing, rolling, and kneading. This technique is commonly used in massage therapy to help improve circulation, relax muscles, and release tension.

The correct answer is "distally to proximally" because this direction of massage helps to promote venous return and lymphatic drainage. By starting the massage from the distal part of the body and moving towards the proximal part, it helps to push the blood and lymphatic fluid towards the heart, aiding in circulation and reducing swelling. This direction also follows the natural flow of blood and lymphatic fluid in the body, making it an effective technique for massage.

Massage can be used to reduce edema by exerting pressure on the veins and lymphatic vessels. This pressure helps to improve blood and lymph circulation, which in turn reduces swelling and edema. By stimulating the flow of fluids in the vessels, massage promotes the removal of excess fluid from the affected area and enhances the body's natural healing processes. Thus, massage can effectively alleviate edema by targeting the vessels and improving their function.

The crystal in the ultrasound head is called a piezoelectric crystal. Piezoelectric materials have the ability to generate an electric charge when mechanical stress is applied to them, and vice versa. In ultrasound technology, these crystals are used to produce sound waves by converting electrical energy into mechanical vibrations. These vibrations then create the ultrasound waves that are used for imaging purposes. Therefore, the correct answer is "piezoelectric crystal."

Superficial applications refer to applying pressure on the surface of the skin and subcutaneous tissue. This technique does not penetrate deep into the muscles or tissues and therefore stays within the skin and subcutaneous tissue. It is used for light touch, gentle strokes, or superficial massage techniques. It is not suitable for deep tissue or heavy pressure massages, cross friction massage, or petrissage, which involve applying more force and targeting deeper layers of muscles and tissues.

Ultrasound transmits energy by conversion. Ultrasound waves are created by converting electrical energy into mechanical energy using a transducer. The transducer converts the electrical energy into high-frequency sound waves, which then travel through a medium such as air or water. This conversion process allows the energy to be transmitted as sound waves, which can then be used for various applications such as medical imaging or cleaning.

When we lift the muscles during petrissage, tendons are stretched, which activates the Golgi tendon organs (GTO). The GTOs are sensory receptors located within the tendons that detect changes in muscle tension. When activated, the GTOs send signals to the spinal cord, which in turn causes a reflex relaxation of the muscle being stretched. This protective mechanism prevents excessive muscle contraction and potential injury. Therefore, the correct answer is GTO.