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Back massage is not only a relaxing practice, but also an effective support method for the musculoskeletal system and neurohormonal balance. In daily life, the back area is one of the areas where the most tension accumulates due to posture, stress, and muscle strain. The controlled pressure applied during...

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Normalise RDL as a main movement. The Romanian Deadlift (RDL) or Heavy Barbell Hip Hinge is a powerhouse exercise that has gained a lot of popularity among strength and conditioning coaches, powerlifters, and bodybuilders alike. This movement is often called an “athlete maker" in my mind due to its ability to build strength, muscle mass, and athleticism in both men and women. One of the primary reasons why the RDL is so effective for athletes is because it is triphasic, for the uninitiated meaning it involves three distinct phases of muscle action: eccentric, isometric, and concentric. During the eccentric phase, the lifter is lowering the weight, which creates tension and stress on the muscles, leading to greater muscle damage and adaptation. The isometric phase occurs when the lifter pauses at the bottom of the lift, holding the weight in a static position, which increases the time under tension and helps to build strength and stability. Finally, during the concentric phase, the lifter raises the weight, activating the muscles in a way that promotes greater hypertrophy. Compared to a traditional deadlift off the floor, the RDL places a greater emphasis on the posterior chain, specifically the proximal hamstring, glutes, and erector spinae muscles. The lift also engages the distal hamstring muscles in a nearly fully extended position, promoting greater muscle activation and strengthening. The RDL is an excellent way to develop strength and hypertrophy in these muscle groups, leading to improved overall athletic performance, including greater power, speed, and explosiveness. Given the numerous benefits of the RDL, it should be a main movement in any training program that aims to improve strength, muscle mass, and overall athletic performance. Incorporating heavy barbell hip hinge movements, such as the RDL, into your training regimen can help to promote better posture, improved mobility, and greater overall strength and athleticism. So, whether you are a powerlifter, bodybuilder, or athlete, consider adding the RDL to your training program to take your strength and athleticism to the next level.

Coach Wayland | Performance Expert | Craftsman

228,142 görüntüleme • 3 yıl önce

Labor pain is often described as one of the most intense physical experiences a human body can go through — and “unimaginable” is a word many mothers use because it’s hard to grasp until you’ve lived it. ▪️Why it feels so extreme: - Contractions are strong muscle work. The uterus is a powerful muscle that contracts roughly every 2–3 minutes at peak, squeezing with a force similar to a heavy cramp in your abdomen, back, and pelvis all at once. - It builds in waves. Pain rises, peaks, and eases, then repeats for hours. Each wave can last 60–90 seconds, with little break in active labor. - It involves multiple systems. You feel visceral pain (from the uterus stretching and cervix dilating), plus pressure on nerves in the back, hips, and thighs. ▪️How it compares: People often compare it to severe menstrual cramps multiplied many times, or to breaking several bones at once. Pain scales are subjective, but studies consistently rank labor pain among the highest, alongside amputation or kidney stones. ▪️It’s not the same for everyone: - First-time moms usually experience longer labor. - Position of the baby, back labor, speed of dilation, and individual pain tolerance all change the sensation. - Many women say the pain is intense but purposeful — it’s tied to meeting their baby, which changes how they perceive it. ▪️What helps: Epidurals, breathing techniques, movement, warm water, massage, and support from a partner or doula can lower the intensity a lot. 🫀Sending love and respect to every mother who has carried this pain with courage.

Dr Honey choudhary 🩺

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Why Resuscitate Before Intubation? Optimizing Physiology The principle of "resuscitate before you intubate" is a critical aspect of patient management in pre hospital, intensive care unit (ICU) or emergency department (ED). Let's delve into why this practice is so integral to the process of patient care. 1️⃣ Mitigating Peri-intubation Hypoxia: During the process of intubation, patients typically experience a period of apnea, where they do not breathe. This interruption in oxygen flow can cause a rapid decrease in oxygen levels (desaturation), particularly in critically ill patients who have low oxygen reserves to begin with. Pre-oxygenation, typically done with high-flow nasal cannula (HFNC) or non-invasive ventilation (NIV), can create an oxygen reservoir in the lungs and increase the time to desaturation during apnea. Additionally, some clinicians use apneic oxygenation techniques during intubation to maintain oxygenation. These strategies together help to prevent significant hypoxia during the intubation process. 2️⃣ Addressing Hemodynamic Instability: The switch from spontaneous breathing to positive pressure ventilation during intubation can dramatically impact a patient's cardiovascular dynamics. Positive pressure ventilation increases intrathoracic pressure, which can decrease venous return to the heart, and consequently, lower cardiac output. This can lead to hypotension, a situation particularly dangerous in patients who are already hypovolemic or have pre-existing cardiac conditions. Furthermore, positive pressure can also increase systemic vascular resistance, which acts as the afterload on the left ventricle, potentially worsening left ventricular failure. Prior to intubation, it's crucial to optimize the patient's volume status and use vasopressors or inotropes if needed to stabilize hemodynamics. 3️⃣ Correcting Acid-Base Disturbances: In conditions of severe metabolic acidosis, patients often hyperventilate to 'blow off' carbon dioxide and compensate for the acidosis, thus maintaining a relatively normal pH. During intubation, however, the use of paralytics and the transition to mechanical ventilation can result in a period of hypoventilation. This can lead to an acute rise in carbon dioxide levels, worsening the acidosis and potentially causing hemodynamic instability. Prior to intubation, it's vital to correct the metabolic disturbances as much as possible to stabilize the patient's pH and bicarbonate levels. 4️⃣ Maximizing Physiologic Reserve: Critically ill patients often have a significantly reduced physiologic reserve, making them more susceptible to brief periods of hypoxia or hypotension, which can lead to end-organ damage. Ensuring adequate oxygenation, hemodynamic stability, and correction of metabolic disturbances before intubation enhances their resilience to the process, reducing the risk of further harm. In summary, the purpose of the "resuscitate before you intubate" approach is to place the patient in the best possible physiological condition to withstand the stresses of intubation and mechanical ventilation. It emphasizes the need to anticipate potential complications and to take steps to prevent them, thereby providing the safest and most effective care for our patients.

𝗥𝗲𝘀𝘂𝘀𝗠𝗲𝗱

46,051 görüntüleme • 3 yıl önce

The fascinating concept of Non-Newtonian fluids, which transition from a liquid state to a solid-like state when pressure is applied, has a rich history that spans several centuries. The study and understanding of these peculiar fluids have evolved over time, leading to a wide range of practical applications and scientific insights. One of the earliest references to Non-Newtonian behavior in fluids dates back to the 17th century when Sir Isaac Newton formulated the basic principles of fluid mechanics. Newton's laws of fluid motion primarily applied to Newtonian fluids, which exhibit constant viscosity and flow behavior regardless of the applied force or pressure. However, it soon became apparent that not all fluids behaved in this predictable manner. In the mid-19th century, a scientist named Thomas Andrews made significant contributions to the understanding of Non-Newtonian fluids. Andrews conducted groundbreaking experiments with carbon dioxide, revealing that under high pressure, this gas could transform into a liquid. This observation marked one of the earliest instances of pressure-induced phase changes in fluids. The term "Non-Newtonian" itself was coined in the 20th century to describe fluids that did not adhere to Newton's classical laws of fluid dynamics. These fluids exhibited a variety of behaviors, but one of the most intriguing was their ability to solidify or increase in viscosity when subjected to stress or pressure. One of the most famous examples of such behavior is cornstarch mixed with water, which forms a substance known as "oobleck" that becomes more solid when pressure is applied. In the modern era, Non-Newtonian fluids have found applications in various fields, including food science, engineering, and material science. They are used in products like quicksand, body armor, and even in the development of impact-resistant materials. One of the key insights that emerged from the study of Non-Newtonian fluids is the importance of understanding the relationship between stress and strain, as well as the influence of time-dependent properties on their behavior. This knowledge has led to advancements in rheology, the study of flow and deformation in materials, and has practical implications in areas such as industrial processing, medicine, and the design of everyday products.

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