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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...

61,773 Aufrufe • vor 3 Monaten •via X (Twitter)

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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.

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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.

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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.

Historic Vids

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“One of the most complicated hostage rescue missions in history.” The operation to rescue the hostages from Nusayrat was named "Summer Seeds" and is defined by the IDF as one of the most complex ever for hostage rescue. The hostages were held in a heavily civilian populated area, above ground, in buildings of 3-4 stories. The forces stormed the two separate targets where the hostages were held, with Noa held on the first floor and Andrey, Shlomi, and Almog on the third floor of another building, hundreds of meters apart. Hamas moved the four hostages from apartment to apartment, and the concern was that if the forces only stormed one building, the terrorists would escape with the hostages in the second building. The Air Force gathered intelligence from the air in the last few days, and the IDF and Shin Bet created conditions to reach the targets without the terrorists shooting the hostages first, which was key to the operation's success. The models built by the Yamam (Israel's counter-terrorism unit) reminded senior military officials of the models established for the Entebbe operation, with buildings, streets, and small areas for practice. The main problem was in the apartment where Andrey, Almog, and Shlomi were held, and where Yamam fighter Arnon Zamora was killed. The rescue took place under heavy fire, and during the disengagement, dozens of terrorists with RPGs and machine guns ran through the alleys towards the targets. As a result, uninvolved Gazan civilians were also killed in the dense fire exchange. The military said, "The difference between success and failure in such an operation is a hair's breadth, and we relied on exceptional technology from the Intelligence and Shin Bet. Without ground activity and maneuvering in the Gazan area, it would not have been possible to succeed in such operations." The IDF also noted that the rescue was made possible by Commander Zamora's heroism. "Shin Bet and Intelligence Directorate fighters entered the lion's den in the refugee camp and dismantled houses in areas where we hadn't maneuvered," they said. "This is bravery on the level of Judah Maccabee. The operation was planned for weeks with drills, rescue plans, and fires executed, alongside scenarios of cases and responses." The forces simultaneously broke into the two houses with special weapons developed for the operation. Immediately after extracting the hostages, the forces began to withdraw while fighting dozens of terrorists, but a vehicle with the three hostages got stuck and came under heavy fire. Division 98 forces jumped in to assist in the vehicle rescue battle, and rescue helicopters entered deep into the strip in daylight. Three brigades participated in the rescue battle, during which Zamora was also evacuated to the hospital: Brigade 7, Paratroopers, and Kfir with Flotilla 13, along with other special forces. "The fire plan that was executed was focused but extremely powerful," the IDF added. "The cooperation with Shin Bet and Yamam rose to several levels into a single operational system, under the direction of the Shin Bet chief and the Chief of Staff. Four keys to the operation: deception, surprise, determination, and power." To maintain the secrecy of the operation, thousands of soldiers in the brigades that participated in the rescue were unaware of the nature of the operation before it happened to preserve the element of surprise. Only a handful of commanders were exposed to the operation yesterday, at various levels. These forces were positioned at the correct launch points without revealing the secret. During the operation, soldiers were also lightly injured, mainly from shrapnel.

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From the sky, they look like huge, circular patterns made by aliens; but in fact, they are an age-old technique farmers have brought back to fight the climate crisis on the Andean plateaus of Puno... On the border of Peru 🇵🇪 and Bolivia 🇧🇴, the Waru Waru; an indigenous Quechua word that means ridge are once again protecting potato and quinoa crops as they did in the region 2,000 years ago. It's an ancient agricultural system or technique that involves building raised beds and irrigation channels to grow crops. The technique originated in the highlands of Peru and Bolivia around 300 BC. It employs raised beds along with proper irrigation channels to prevent damage to crops due to soil erosion during floods. Concentrating mainly on facilitating water movement and storage, this technology increases the organic content of the soil thereby making it more suitable and fertile. "It is an agricultural system that lets us face climate change, which has changed the seasons of the year. It is very beneficial in times of drought and frost," farmer Cesar Cutipa, 42, told AFP. In Puno, Peru, these strange and mysterious forms of enormous proportions have been found, and can only be seen from planes or satellite images. The origin and its antiquity are unknown. Some images remind us of the “Eye of God”, the circular image found in Caral – Supe (3000 BC) that shows the Illa Teqsi, the God of the Incas. The inner-circle represents “The eye of God” and the concentric circumference symbolizes the “phenomenal reality”, in other words, the Universe, Kawsay Pacha or “Living Cosmos”. These images are located in terraces currently used as ridges by the Puno farmers. Puno lies on Lake Titicaca about 3812m above sea level. Farmers have made six Waru Waru nearby in flood-prone fields. Furrows form a rectangular platform, where planting is done. Surrounded by water, the planting beds are up to 100m long, between 4-10m wide and 1m high. The water around the plants creates a microclimate, absorbing heat from the sun during the day and radiating it back at night to ward off frost in sub-zero temperatures. It is said that so-called Camellones or Waru Waru was a powerful technology implanted since ancient times in highlands of the Andes. Its primary purpose was to create a better cultivation environment in cold temperatures of the highland nights. The water surrounding the ridges where the yields were, allows the crops not to freeze every night when temperatures might drop down an average of 15 degrees. During the day, temperature rises due to the high plateau sun, and that water heated from sunrise to sunset emits enough heat at night, so nothing freezes in meantime. "The Waru Waru cannot flood during the rainy season because they have an intelligent drainage system that reaches the river. They have many advantages," agronomist Gaston Quispe told AFP. In 2023, when Puno suffered one of the largest periods of drought in almost six decades, Waru Waru helped farmers cope with lack of water and avoid food shortages. The area is home to mostly indigenous farming communities, mostly Quechua in Peru and up the Andes and both Quechua and Aymara in Bolivia. "We are able to live here peacefully because we have our potatoes, our quinoa and barley. We can be in peace without going to the city," said 22-year-old farmer Valeria Nahua. 🎥© conocealperu (IG) #archaeohistories

Archaeo - Histories

24,848 Aufrufe • vor 1 Jahr