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........................................"CORE EXERCISES AND CROSS - TRAINING ACTIVITIES THAT IMPROVE PERFORMANCE"
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Google Forms - create and analyze surveys, for free.

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https://docs.google.com/forms/d/1zpIN-JOcqJaVziw4CyTMsODJ78TENrrZMOqNp_wcpEU/edit

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he brain is often described as being "like a muscle". It's a comparison that props up the brain training industry and keeps school children hunched over desks. We judge literacy and numeracy exercises as more beneficial for your brain than running, playing and learning on the move.

But the brain-as-muscle analogy doesn't quite work. To build up your biceps you can't avoid flexing them. When it comes to your brain, an oblique approach can be surprisingly effective. In particular, working your body's muscles can actually benefit your grey matter.

Scientists are showing that the runner's high and the yogi's tranquility have profound effects on your brain. Moreover, specific physical activities can markedly alter its structure in precise ways.

A wave of studies exploring the unexpected links between mental and bodily fitness is emerging from labs. This research might give you the impetus to get more active. It can also help you choose the best ways to prepare physically for mental challenges such as exams, interviews and creative projects.

Boost your memory

The part of the brain that responds strongly to aerobic exercise is the hippocampus. Well-controlled experiments in children, adults and the elderly show that this brain structure grows as people get fitter. Since the hippocampus is at the core of the brain's learning and memory systems, this finding partly explains the memory-boosting effects of improved cardiovascular fitness.

As well as slowly improving your memory hardware, exercise can have a more immediate impact on memory formation. German researchers showed that walking or cycling during, but not before, learning helped new foreign language vocabulary to stick. So exercise while you revise. Don't push it too hard, though: vigorous workouts can raise your stress levels, which can scupper your memory circuits.

Improve your concentration

Besides making memories stickier, exercise can help you focus and stay on task. The best scientific evidence comes from testing school children, but the same most likely applies to us all. Interspersing lessons with 20-minute bouts of aerobics-style exercise improved the attention spans of Dutch school pupils. Meanwhile, a large randomised controlled trial in the US looked at the effects of daily after-school sports classes over a school year. The children, of course, got fitter. Less predictably, their executive control improved. They became more adept at ignoring distractions, multitasking, and holding and manipulating information in their minds.

And if that all sounds like hard work, you may not have to get out of breath to reap the attention-honing effects of exercise. Just 10 minutes of playful coordination skills, like bouncing two balls at the same time, improved the attention of a large group of German teenagers.

Improve your mental health

Love it or hate it, bouts of physical activity can have potent effects on your mood. The runner's high - that feeling of elation that follows intense exercise - is real. Even mice get it. It may not be due to an "endorphin rush", though. Levels of the body's homemade opiate do rise in the bloodstream, but it's not clear how much endorphin actually gets into the brain. Instead, recent evidence points to a pleasurable and pain-killing firing of the endocannabinoid system: the psychoactive receptor of cannabis.

What about yoga? Does it really help with stress? When anxiety levels rise, you tense up, your heart races and your attention narrows to a slit. This shift to "fight or flight" mode is automatic, but that doesn't mean it's wholly out of your control. Yoga teaches the deliberate command of movement and breathing, with the aim of turning on the body's "relaxation response". Science increasingly backs this claim. For example, a 2010 study put participants through eight weeks of daily yoga and meditation practice. In parallel with self-reported stress-reduction, brain scans showed shrinkage of part of their amygdala, a deep-brain structure strongly implicated in processing stress, fear and anxiety.

Exercise is also emerging as a promising way to overcome depression. A 2013 meta-analysis cautiously reported that exercise - both aerobic and resistance - was "moderately effective" in treating depressive symptoms. Strikingly, exercise seemed as effective as antidepressant drugs and psychological treatments. The study's authors identified it as an area crying out for more rigorous investigation.

Enhance your creativity

Thoreau, Nietzsche and many other creative types have claimed that walking gives wings to the imagination. Last year, psychologists gave this empirical support. Walking, either on a treadmill or around Stanford's leafy campus, bolstered divergent thinking: the free-roaming, idea-generating component of creative thought. It didn't help convergent thinking, though. So if you're struggling to home in on a single solution, an idle stroll may not be what you need.

Slowing cognitive decline

The evidence that staying physically fit keeps your brain healthy into old age is especially compelling. Most concrete is the link between aerobic fitness and cognitive preservation. Workouts needn't be extreme either: 30-45 minutes of brisk walking, three times a week, can help fend off the mental wear and tear and delay the onset of dementia. It pays to get used to regular exercise early, though. The protective effects are clearest before the cognitive signs of old age kick in.

Nor is it all about your heart and lungs. Exercises to improve balance, coordination and agility made a clear impact on the brain structure and cognitive function of a large group of German elderly people. Twice weekly sessions of weightlifting can have a visible neurological impact. Dancing may also be restorative for ageing brains. Just an hour of dance a week, for six months, did little for elderly participants' aerobic capacity, but the physical and social stimulation bolstered their cognitive wellbeing.

Researchers are still teasing out the critical factors that make exercise such a potent brain tonic. Prime suspects include increased blood flow to the brain, surges of growth hormones and expansion of the brain's network of blood vessels. It's also possible that exercise stimulates the birth of new neurons. Until recently, few believed this could happen in adult human brains.

Don't sit still

The cognitive spillover from exercise reminds us that our brains don't operate in isolation. What you do with your body impinges on your mental faculties. Sitting still all day, every day, is dangerous. So don't dither about what form of exercise you do. Find something you enjoy, then get up and do it. Right, I'm off for a jog.
Ben Martynoga is a neuroscientist and science writer. He's currently a visiting researcher at the Francis Crick Institute in London. He tweets at @mountainogre. Get involved with the Use your head series by joining the discussion on #useyourhead

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How physical exercise makes your brain work better

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he brain is often described as being "like a muscle". It's a comparison that props up the brain training industry and keeps school children hunched over desks. We judge literacy and numeracy exercises as more beneficial for your brain than running, playing and learning on the move.

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https://www.google.ch/search?q=time+line+of+skiing&oq=time+line+of+skiing&aqs=chrome..69i57j0l2.5752j0j7&sourceid=chrome&ie=UTF-8

https://skiinghistory.org/history/timeline-important-ski-history-dates

I found this website about the timeline of skiing and important dates. I don't know if this will help but, it might!

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Zara: Does PE help you focus in class?
Louise: What was the history and what will be the future of ski racing?
Lindsay:What is the most popular running shoe?
Sandra: People's perspective on fitness?

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https://www.olympic.org/alpine-skiing-equipment-and-history
This is about the history of ski racing and the olympic games

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This is exactly what I need

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The Daily Mile is not PE, cross-country or sport. It is physical, emotional, social and contributes to positive mental health and wellbeing.

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Welcome to Exhibition 2018 All the information you need will be here Have fun!

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https://www.runnersworld.com/shoe-guide/the-best-running-shoes-of-the-year
This is about the best running shoes of the year and the price, award and a little summary of the shoe.