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What is a concentric contraction?
concentric contraction is atype of muscle contraction which the muscle shortens while genrating aforce The muscle shortens to produce movement. A muscle contraction in which shortening occurs.
What is inhalation caused by?
Inhalation is caused by the contraction of the diaphragm and the external intercostal muscles. This causes the chest cavity to expand, creating a negative pressure that allows air to flow into the lungs.
What causes inhalation to occur?
Inhalation is caused by the contraction of the diaphragm and external intercostal muscles. This creates a decrease in air pressure in the lungs, causing air to flow in through the nose and mouth to equalize the pressure.
What is the voluntary contraction of muscles that pushes food forward?
swallowing
How many external intercostal muscles are there?
There are 11 pairs of external intercostal muscles in humans. These muscles are located between the ribs and are involved in expanding the chest cavity during inhalation.
What is a concentric contraction?
concentric contraction is atype of muscle contraction which the muscle shortens while genrating aforce The muscle shortens to produce movement. A muscle contraction in which shortening occurs.
In a concentration contraction the muscles shorten to produce movement?
True.
What results from the contraction of diaphragm and external intercostal muscles?
an exhalation
What happens to muscular system while swimming?
Muscles are exercised, if exercised enough, the muscles will tear, and be repaired, which is how the body becomes stronger.
Concentric contraction of the hamstrings causes which joint action?
knee flexion and hip extension.Biceps femoris also: knee external rotation and hip external rotation.Semi tendinosus and Semi membranosus also: knee internal rotation and hip internal rotation.hamstrings eccentric contraction causes knee extension and hip flexion, whilst the antagonist muscles are passive.
What effect does contraction of external intercostal muscles have on thoriac volume and how is this accomplished?
both of them
What type of contraction happens in javelin?
In javelin throw, the primary type of muscle contraction that occurs is the concentric contraction. This happens when the muscles shorten while generating force, especially during the explosive phases of the throw, such as the arm extension and body rotation. Eccentric contractions may also occur as the muscles lengthen under tension during the follow-through. Overall, the combination of these contractions contributes to the power and accuracy of the throw.
What is the spring coil effect in muscles?
The spring coil effect in muscles refers to the ability of muscles to store energy during an eccentric contraction (lengthening phase) and release it during a concentric contraction (shortening phase). This mechanism helps to enhance the efficiency of movement and improve athletic performance by utilizing elastic energy.
What muscle contraction occurs when you do pull ups?
During pull-ups, the primary muscle contraction is an eccentric contraction of the latissimus dorsi and other upper body muscles as you lower yourself back down. Additionally, there is a concentric contraction when pulling yourself up, where these muscles shorten to lift your body. The biceps also engage in both phases, contributing to the movement. This combination of contractions helps build strength and endurance in the upper body.
What requires acetylcholine for contraction?
Anerobic contraction of muscles.
How are the muscles arranged in a hydroskeleton?
In a hydroskeleton, muscles are arranged in concentric layers around a fluid-filled cavity. Contraction of these muscles causes movement by changing the pressure of the fluid inside the cavity, similar to a hydraulic system. This arrangement provides structure and support while allowing for flexibility and movement.
What the opposite of Contraction?
The general opposite of contraction is expansion, or possibly inflation. For muscles, the opposite of contraction is relaxation.
