Answer:
The best answer to the question: Generally speaking, power exercises should be performed before strength exercises, would be, A: true.
Explanation:
In terms of general training, the idea is always go from broader to specific. In that sense, power exercises will allow the body to start mobilizing large groups of muscles, and not focus on only one region, or one specific muscle. According to all the research on proper training, and the correct order in which these two types of exercises: power training and strength training, should be, it says that power training comes first, because power training allows for large groups of muscles to mobilize and thus will maximize the capabilities of the muscles. Then, strength exercises will be initiated to work on specific muscles, or much smaller groups of muscles. This is why the answer is A.
Answer:
ECG paper is a grid where time is measured along the horizontal axis.
Each small square is 1 mm in length and represents 0.04 seconds.
Each larger square is 5 mm in length and represents 0.2 seconds.
Voltage is measured along the vertical axis.
10 mm is equal to 1mV in voltage.
The diagram below illustrates the configuration of ECG graph paper and where to measure the components of the ECG wave form
Heart rate can be easily calculated from the ECG strip:
When the rhythm is regular, the heart rate is 300 divided by the number of large squares between the QRS complexes.
For example, if there are 4 large squares between regular QRS complexes, the heart rate is 75 (300/4=75).
The second method can be used with an irregular rhythm to estimate the rate. Count the number of R waves in a 6 second strip and multiply by 10.
For example, if there are 7 R waves in a 6 second strip, the heart rate is 70 (7x10=70).
Reaction time, speed, and power are the most important skill-related fitness components that every sprinter must excel at during the race.
Strength is defined as the ability to generate force (lifting heavy weights) speed: the ability to move quickly (sprinting) Endurance is the ability to withstand fatigue (running a marathon) Flexibility is the ability to achieve a wide range of motion at the joints (doing a split) Power is defined as the ability to exert maximum muscular contraction in an explosive burst of movements. Strength and speed are the two components of power. (For example, jumping or a sprint start) Aerobic endurance is also known as cardiovascular endurance. Marathon runners and distance cyclists need a high level of aerobic endurance to be able to work for an extended period of time during a race.
Learn more about strength here-
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Answer:
The correct option is: B) peristalsis
Explanation:
Peristalsis is the involuntary wave-like contractions and relaxations of the smooth muscles of the gastrointestinal tract of the humans.
These alternating contractions and relaxations produces a peristaltic wave that pushes the food down the esophagus of the digestive system. The peristaltic movement prevents the food from moving backwards and pushes the food forward.
