Muscular endurance Essay Example for Free

Muscular endurance Essay 20 shuttles running to the bleeps and the bleeps gradually get faster this shows you how well your endurance is in your muscles and your cardiovascular system. You can improve this by doing circuit training. Other tests which can be done are Cooper run which involves you running around a 400 meter track for twelve minutes to see how far you can run. This also measures your muscular endurance and how well you cardiovascular system is. The other test is the Harvard step test which is thirty steps per minute. You use your pulse to assess your fitness levels. Here are some other tests which can test the components of fitness: Muscular endurance Sit-ups, press ups and circuit training Muscular strength Bench press, chin ups, grip strength and decimetre. Flexibility Sit and reach, hyperextensions and stretches Body composition Pinch test which callipers biceps and triceps. The tests out of there that I will do is the muscular endurance and muscular strength tests. The principles of training that I might use in the six weeks are:- Specificity Which means Ill be working on specific areas. Especially areas that I am weak at. Overload This means I do more than my body can do with ease and increase the intensity of the exercise. Reversibility (if injured or ill for a long period of time) If I am out of training for a certain period of time. My bodies final result in training declines. To prevent this from occurring you need to keep training otherwise you may have reversibility. Here are some Methods of training which I could use in my six week programme. Continuous (for aerobic system). In the continuous training you walk, jog, cycle or swim at a steady pace, without rest. To overload, increase the time, distance, speed or frequency. The advantages of this method of training is its great for aerobic fitness. You dont need special equipment and its good for burning off body fat. The disadvantages of this method of training is it can be boring and it doesnt improve spring speed, which is needed for a lot of sports. It is more suited for long distance runners. The other method of training is Fartlek training. This is mainly for sprinters because of the change of speed. You can use it in many ways for example on a bike, running and skiing. Overload by increasing times, or the difficulty of the terrain. You could run up hills or threw sand or mud. The advantages of Fartlek training is good for a lot of sports because of the change of speed. You can change the mix of fast and slow work to suit your sport. The changes of pace makes it intense. The disadvantages are the coaches cant tell how hard an athlete is training. You could argue that the athlete should try his/her hardest to get more out of their training. An its easy to skip the tough buts so you need a lot of determination. Interval training In the interval training you do fast and then slow work. A good example of this is running. You can do a 30 meter sprint and then a 30 second jog. This is good for running and swimming. Each repetition of the pattern is called a rep. You must do a set of these before you can rest. This is also done in weights. You do reps in weights and you do different speeds (push the weight up fast and bring it down slow). You overload the interval training by doing more reps or sets or both or you could set less time on slow work and resting. In weights you usually increase the weight but do less reps. The advantages of this is you can mix both anaerobic and anaerobic work. It is also easy to see when you are giving up. The disadvantages are its hard t keep going and you need lots of determination. Also if you overload you increase the chances of injury because of the sudden changes. The training equipment that I will be using on my training is a weight bar with weights on the end. The bar itself ways about 10kg so whatever weights I put on the end I have to add 10kg because of the bar. I usually do my weight training with my partner Hollie. Shes a 18 year old girl and is about my level in all training that we do. I will use her as my motivation. For my sprint training I will be using a sports hall which has a lot of grip on it. This allows me to turn and change direction quickly (agility) which is the use of speed and muscular strength.

Politics in the Domincan Republic :: Essays on Politics

Politics in the Domincan Republic The Government The government of the Dominican Republic is structured as a representative democracy. The country gained its independence on February 27, 1844 from Haiti and celebrates the national holiday every year. The constitution that it abides by today was not written until over a century after they became independent; it was enacted on November 28, 1966 (Nation Master). There are three branches in the system of government: executive, legislative and judicial. The executive branch today is headed by the Dominican chief of state and head of government, President Leonel Fernandez Reyna and his Vice President, Jaime David Fernandez Mirabal. The president is also the Supreme Commander of the country’s police and armed forces. They were sworn into office on August 16, 1996 (Presidency of the DR). The president and vice president are elected on the same ticket, by popular vote, for terms of four years; they can be reelected. The executive branch also includes a cabinet, made up of people nominated by the president. The Senate and the Chamber of Deputies form a bicameral Congress in the Dominican Republic’s legislative branch. There are 30 members of the Senate (Senado) who are elected by popular vote, also for four year terms. There is one senator delegated to each of the country’s 29 provinces and one for the national district. Each of these districts also has a governor who is appointed by the President. The Chamber of Deputies (Camara de Diputados) consists of 120 members elected in the same manner as senators are (Nation Master). The Supreme Court (Corte Suprema) facilitates the country’s judicial branch. The eleven judges in the Supreme Court are chosen by a council of people from the legislative and executive branches of the government. The President presides over the Supreme Court (Nation Master). Family in Politics Despite the fact that the government structure is much like that of the United States, Dominican politics are very different. Due to the fact that the country is so much smaller than the United States the politics are also on a much smaller scale. The politics are centered in the country’s one large city, Santo Domingo. As a result all of the politicians know each other and are often related by blood or marriage. Unlike American politics, those of the Dominican Republic frequently revolve around friendships, ethnic connections and family ties.

Peter Stark Essay

Summary of Stark’s article Peter Stark’s article As Freezing Persons Recollect The Snow—First Chill—Then Stupor—Then The Letting go: the cold hard facts of freezing to death talks and explains what happens to the human body when a person is freezing to death but it also gives an enjoyable story for the reader. The character in this story is in his way to a friend’s house for dinner and night cross country ski when his jeep slides off the road and gets stuck in a snow bank. Stark made it clear that his character was not panicked at first but just simply worried about missing the dinner with his friends. Not wanting to miss his plans the character puts his skis on, looks at the map, and heads to the cabin on top of the hill. While this story is unfolding Stark includes scientific data about the lowest core temperature a human can have before perishing. The character wants to save time by going up the steep hill instead of following the road that has many switch backs this is wh en everything starts to go wrong. The character goes for about an hour with no sign of the road, while assessing the map he hears a metallic pop and a piece of his binding has popped out. The character is trying to find the piece of his binding and while he does this his body temperature begins to lower after finding the piece his core temperature has lowered a substantial amount. The character has now started to panic and decides to go back to the jeep and its warmth on his way down he falls and lands pretty hard and he is feeling very tired so decides to rest. The rest of the story goes on with him losing and gaining conciseness but his body is too weak to get up and move on and more data about core temperatures and hypothermia. The friends find the character in the snow half naked but he isn’t dead he has a faint heart beat so they take him to the hospital and the doctor brings up his core temperature. The character survives. Stark, Peter.â€Å"As Freezing Persons Recollect The Snow—First Chill†”Then Stupor—Then The Letting go: the cold hard facts of freezing to death†. Outside magazine. Outside online. January 1997.web 26.aug. 2010

Lanthanum Facts - La Element Facts

Lanthanum is element number 57 with element symbol La. It is a soft, silver-colored, ductile metal known as the starting element for the lanthanide series. It is a rare earth element that usually displays the oxidation number of 3. While lanthanum serves no known biological role in humans and other animals, it is an essential element for some types of bacteria. Here is a collection of La element facts, along with the atomic data for lanthanum. Fast Facts: Lanthanum Element Name: LanthanumElement Symbol: LaAtomic Number: 57Appearance: Silvery white solid metalAtomic Weight: 138.905Group: Group 3Period: Period 6Block: d-block or f-blockElectron Configuration: [Xe] 5d1  6s2 Interesting Lanthanum Facts Lanthanum is a metal so soft it can be cut with a butter knife. It is highly malleable and ductile. Although the freshly cut metal is bright silver, it rapidly oxidizes or tarnishes in air.Lanthanum was discovered by Carl Mosander in 1839 in the mineral cerite. Mosander was a student of Swedish chemist Berzelius, who had discovered cerium in cerite in 1803. Mosander had suspected ceria contained more rare earth elements besides cerium. Axel Erdmann independently discovered lanthanum the same year as Mosander from a Norwegian mineral Erdmann named mosandrite, in honor of Mosander. Pure lanthanum metal was not produced until 1923 by H. Kremers and R. Stevens.Berzelius suggested the named Lanthana for the new element, which comes from the Greek word lanthano, meaning to be hidden.Natural lanthanum is a mixture of two isotopes. La-139 is stable, while La-138 is radioactive. At least 38 isotopes of the element have been produced.  Lanthanum is one of the most reactive of the rare earth elements. Its uses are somewhat limited by how readily it oxidizes. It is the strongest base of there found in hybrid cars. About 10 kg of lanthanum are needed to make one Toyota Prius ba  trivalent lanthanides.Lanthanum is used in nickel-metal hydride batteries, which attery! Lanthanum compounds may be added to pool produces to lower levels of phosphates, reducing algae growth. Lanthanum is also used as a petroleum cracking catalyst, as a steel additive, to make nodular cast iron, to make infrared absorbing glass and night vision goggles, and to make high-end camera and telescope lenses. Lanthanum oxide has a low dispersion and high refractive index.Lanthanum has no known function in human or animal nutrition. Because it is so reactive, it is considered moderately toxic. Lanthanum carbonate is used to reduce blood phosphate levels in patients with kidney disease.Like most rare earth, lanthanum is not really all that rare, just hard to isolate. Lanthanum is present at an abundance of about 32 parts per million in the Earths crust. Lanthanum is a soft, ductile silvery metal. Jurii Lanthanum Atomic Data Element Name: Lanthanum Atomic Number: 57 Symbol: La Atomic Weight: 138.9055 Discovery: Mosander 1839 Name Origin: From the Greek word lanthaneis (to lie hidden) Electron Configuration: [Xe] 5d1 6s2 Group: lanthanide Density 293 K: 6.7 g/cm3 Atomic Volume: 20.73 cm3/mol Melting Point: 1193.2 K Boiling Point: 3693 K Heat of Fusion: 6.20 kJ/mol Heat of Vaporization: 414.0 kJ/mol 1st Ionization Energy: 538.1 kJ/mole 2nd Ionization Energy: 1067 kJ/mole 3rd ionization Energy: 1850 kJ/mole Electron Affinity: 50 kJ/mole Electronegativity: 1.1 Specific Heat: 0.19 J/gK Heat Atomization: 423 kJ/mole atoms Shells: 2,8,18,18,9,2 Minimum Oxidation Number: 0 Maximum Oxidation Number: 3 Structure: hexagonal Color: silvery-white Uses: lighter flints, camera lenses, cathode ray tubes Hardness: soft, malleable, ductile Isotopes (half-life): Natural lanthanum is a mix of two isotopes, though more isotopes now exist. La-134 (6.5 minutes), La-137 (6000.0 years), La-138 (1.05E10 years), La-139 (stable), La-140 (1.67 days), La-141 (3.9 hours), La-142 (1.54 minutes) Atomic Radius: 187 pm Ionic Radius (3 ion): 117.2 pm Thermal Conductivity: 13.4 J/m-sec-deg Electrical Conductivity: 14.2 1/mohm-cm Polarizability: 31.1 A^3 Source: monazite (phosphate), bastnaesite Sources Emsley, John (2011). Natures building blocks: An A-Z Guide to the Elements. Oxford University Press. ISBN 978-0-19-960563-7.Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.Hammond, C. R. (2004). The Elements, in Handbook of Chemistry and Physics (81st ed.). CRC press. ISBN 978-0-8493-0485-9.Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. ISBN 0-8493-0464-4.