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health:fasting [2025/01/19 18:55] – [Non-Invasive Facial Cosmetics and Body Contouring] marcoshealth:fasting [2025/03/07 00:30] (current) marcos
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-====== Non-Invasive Body Contouring ====== 
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-Gaining weight can irreversibly change a body's contour due to creation of new fat cells.  The fat deposits can increase in size in undesirable regions around the belly. 
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-===== High Intensity Focused Ultrasound HIFU ==== 
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-<WRAP center round box 95%> 
-[[https://doi.org/10.1097/dss.0000000000002016 |Efficacy and Safety of High-Intensity Focused Ultrasound for Noninvasive Abdominal Subcutaneous Fat Reduction]], Hong et al 2020. 
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-{{:health:screenshot_20250114_205916.jpg|Experiment Settings}} 
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-Skin thickness on the abdomen is slightly under [[https://doi.org/10.1371/journal.pone.0086637 |2mm for adults]], so even a facial mini hifu with the following specs will burn subcutaneous fat. 
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-"Covers an area of 4cm2 at depths of between 3mm to 4.5mm. 
-L1: 3mm - L2: 3.4mm - LV3: 3.8mm - LV4: 4.2mm - LV5: 4.5mm"  [[https://www.youtube.com/watch?v=uKcEOwbi1Jc |Tutorials on YouTube]]. 
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-The following my empirical opinions: 
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-Keep the hifu in one spot for 10 seconds and move 1cm at a time to cover desired area.  Schedule in the  morning and have a single meal that day at 3pm to reduce fat reabsorption.  Use once a month to allow full recovery.  It will be uncomfortable the first couple days.  You can use a compression garment or back support belt to relieve discomfort and to heal flat.  I didn't use any gel and it still works applying approx 500 to 600 grams of pressure.  I estimate that results will take 6 months to reduce 2.5cm depth of fat to 1cm. 
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-==== Aloe Vera Gel instead of Ultrasound Gel ==== 
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-<WRAP center round box 95%> 
-Ultrasound gel is used as a coupling medium in all ultrasound procedures to replace air between the transducer and the patient’s skin, as ultrasound waves have trouble in traveling through air.\\ 
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-At the borderline between media of distinctive acoustic impedances, some of the wave energy is transmitted and some is reflected. The larger the gap in acoustic impedance between the two media, the more prominent will be the reflection, and the less there will be the transmission. For diagnostic ultrasound (US), ultrasound gel having acoustic impedance comparable to soft tissue (1.6 Mrayl) is necessary for the complete transmission of ultrasound waves.\\ 
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-The acoustic impedance of the selected formulation (S1) was 1.45 Mrayl and the acoustic impedance of commercial gel (CG) was 1.5 Mrayl. The results showed that the acoustic impedance of both was very close and similar to the impedance of soft tissues (1.6 Mrayl). The intensity reflection coefficient tells us that 0.6% of sound waves reflect at the boundary between gel and human skin, while 99.4% transmit through the skin, and it is opposite without ultrasound gel.  [[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8774352/ |Preparation and Evaluation of Polymer-Based Ultrasound Gel and Its Application in Ultrasonography, Afzal et al 2022]] 
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-Images recommended as acceptable by raters was 91.7% for Aloe vera lotion and 81.7% for commercial gel.  
- [[https://doi.org/10.1177/87564793221120430 |Aloe vera Lotion Used as a Potential Alternative Couplant for Sonography, in a Low-Resource Health Care Facility, Paulinu et al 2022]] 
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-Aloe vera- based gel is a feasible alternative to commercially available ultrasound gel on diagnostic ultrasound imaging  [[https://research.lpubatangas.edu.ph/wp-content/uploads/2022/06/1-APJAHS-2020-010.pdf |Aloe vera (L.) Burm.f.-based gel as an 
-alternative to commercially available ultrasound gel on diagnostic ultrasound imaging: a phantom study (pdf) Cabataña et al 2020]] 
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health/fasting.txt · Last modified: 2025/03/07 00:30 by marcos