Warming Up
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A warm-up generally consists of a gradual increase in intensity in physical activity (a \"pulse raiser\"), joint mobility exercise, and stretching, followed by the activity. For example, before running or playing an intensive sport, athletes might slowly jog to warm their muscles and increase their heart rate. It is important that warm-ups be specific to the activity, so that the muscles to be used are activated. The risks and benefits of combining stretching with warming up are disputable, although it is generally believed that warming up prepares the athlete both mentally and physically.
When you start sending email from a new dedicated IP address, you should gradually increase the amount of email that you send from that address before using it to its full capacity. This process is called warming up the IP address.
The amount of time that's required to warm up an IP address varies between email providers. For some email providers, you can establish a positive reputation in around two weeks, while for others it may take up to six weeks. When warming up a new dedicated IP address, you should send emails to your most active users to ensure that your complaint rate remains low. You should also carefully examine your bounce messages and send less email if you receive a high number of blocking or throttling notifications. For information about monitoring your bounces, see Monitoring your Amazon SES sending activity.
If you disable the automatic warm up feature, you're responsible for warming up your dedicated IP addresses yourself. If you send email from addresses that haven't been warmed up, you may experience poor delivery rates.
The value of warming-up is a worthy research problem because it is not known whether warming-up benefits, harms, or has no effect on individuals. The purpose of this study was to review the evidence relating to performance improvement using a warm-up. A systematic review and meta-analysis were undertaken. Relevant studies were identified by searching Medline, SPORTDiscus, and PubMed (1966-April 2008). Studies investigating the effects of warming-up on performance improvement in physical activities were included. Studies were included only if the subjects were human and only if the warm-up included activities other than stretching. The quality of included studies was assessed independently by 2 assessors using the Physiotherapy Evidence Database scale. Thirty-two studies, all of high quality (6.5-9 [mean = 7.6] of 10) reported sufficient data (quality score >6) on the effects of warming-up on performance improvement. Warm-up was shown to improve performance in 79% of the criterions examined. This analysis has shown that performance improvements can be demonstrated after completion of adequate warm-up activities, and there is little evidence to suggest that warming-up is detrimental to sports participants. Because there were few well-conducted, randomized, controlled trials undertaken, more of these are needed to further determine the role of warming-up in relation to performance improvement.
Background: The practice of warming up prior to exercise is advocated in injury prevention programs, but this is based on limited clinical evidence. It is hypothesised that warming up will reduce the number of injuries sustained during physical activity.
Methods: A systematic review was undertaken. Relevant studies were identified by searching Medline (1966-April 2005), SPORTDiscus (1966-April 2005) and PubMed (1966-April 2005). This review included randomised controlled trials that investigated the effects of warming up on injury risk. Studies were included only if the subjects were human, and only if they utilised other activities than simply stretching. Studies reported in languages other than English were not included. The quality of included studies was assessed independently by two assessors.
Results: Five studies, all of high quality (7-9 (mean=8) out of 11) reported sufficient data (quality score>7) on the effects of warming up on reducing injury risk in humans. Three of the studies found that performing a warm-up prior to performance significantly reduced the injury risk, and the other two studies found that warming up was not effective in significantly reducing the number of injuries.
Conclusions: There is insufficient evidence to endorse or discontinue routine warm-up prior to physical activity to prevent injury among sports participants. However, the weight of evidence is in favour of a decreased risk of injury. Further well-conducted randomised controlled trials are needed to determine the role of warming up prior to exercise in relation to injury prevention.
Warming up helps you to gradually increase your heart rate and breathing to a level that will be able to meet the demands of your workout. If you start exercising at a strenuous level without warming up first, you will place unnecessary stress on your heart and lungs.
Fradkin, AJ, Zazryn, TR, and Smoliga, JM. Effects of warming-up on physical performance: a systematic review with meta-analysis. J Strength Cond Res 24(1): 140-148, 2010-The value of warming-up is a worthy research problem because it is not known whether warming-up benefits, harms, or has no effect on individuals. The purpose of this study was to review the evidence relating to performance improvement using a warm-up. A systematic review and meta-analysis were undertaken. Relevant studies were identified by searching Medline, SPORTDiscus, and PubMed (1966-April 2008). Studies investigating the effects of warming-up on performance improvement in physical activities were included. Studies were included only if the subjects were human and only if the warm-up included activities other than stretching. The quality of included studies was assessed independently by 2 assessors using the Physiotherapy Evidence Database scale. Thirty-two studies, all of high quality (6.5-9 [mean = 7.6] of 10) reported sufficient data (quality score >6) on the effects of warming-up on performance improvement. Warm-up was shown to improve performance in 79% of the criterions examined. This analysis has shown that performance improvements can be demonstrated after completion of adequate warm-up activities, and there is little evidence to suggest that warming-up is detrimental to sports participants. Because there were few well-conducted, randomized, controlled trials undertaken, more of these are needed to further determine the role of warming-up in relation to performance improvement.
IP warming is the practice of gradually increasing the volume of mail sent with a dedicated IP address according to a predetermined schedule. This gradual process helps to establish a reputation with ISPs (Internet Service Providers) as a legitimate email sender.
When automatically warming up an IP, SendGrid limits the amount of email sent through that IP per hour. Any email requests that exceed this hourly limit will overflow to any other existing warm IPs on your account. You must have 2 dedicated IPs to access the automated IP warmup. If you do not have any other warm IPs, we will use an IP from one of several SendGrid shared IP groups, which will be determined based on your sending reputation.
Before you exercise, think about warming up your muscles like you would warm up your car. It increases the temperature and flexibility of your muscles, and helps you be more efficient and safer during your workout. A warm-up before moderate- or vigorous-intensity aerobic activity allows a gradual increase in heart rate and breathing at the start of the activity.
Cooling down after a workout is as important as warming up. After physical activity, your heart is still beating faster than normal, your body temperature is higher and your blood vessels are dilated. This means if you stop too fast, you could pass out or feel sick. A cool-down after physical activity allows a gradual decrease at the end of the episode.
Trends in global average surface temperature between 1993 and 2022 in degrees Fahrenheit per decade. Most of the planet is warming (yellow, orange, red). Only a few locations, most of them in Southern Hemisphere oceans, cooled over this time period. NOAA Climate.gov map, based on
Though warming has not been uniform across the planet, the upward trend in the globally averaged temperature shows that more areas are warming than cooling. According to NOAA's 2021 Annual Climate Report the combined land and ocean temperature has increased at an average rate of 0.14 degrees Fahrenheit ( 0.08 degrees Celsius) per decade since 1880; however, the average rate of increase since 1981 has been more than twice as fast: 0.32 F (0.18 C) per decade.
How long should you spend warming up Professional athletes usually spend a long time preparing for a game or contest. For instance, tennis pros may hit balls for an hour before a match. Professional athletes aren't simply warming up muscles. They are rehearsing a specific series of movements.
Everybody is different when it comes to exercise. Some people want to hit the trails first thing in the morning without a warmup and others take their time getting their body warm to prepare for their workout. With so many different schools of thought, it can be difficult trying to decipher whether or not you should incorporate a simple warmup into your exercise routine. You might be asking questions like should you include a warmup when you're only going to be doing low-impact exercises at home or exclusively when you're going to be heading to the gym Is warming up necessary, and what does it do for the body
Help your heart prepare for the extra workloadWarming up is a way of preparing your body for exercise. You can think of it in much the same way as you would think of warming up your car before driving on a cold day. Low-intensity warm ups gradually increase heart rate and circulation so you are better prepared to handle higher intensity exercise. Taking time to warm up will also in