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What does cellular activity do during the phase of concentric contraction?
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What is the function role of t tubules?
Enhance cellular communication passage for nervous stimulation during muscle contraction.
What joint actions occurring in a lateral raise during the concentric and eccentric phase?
To see eccentric contraction, look at the biceps curl with flexion around the elbow. As you lower a weight, you are working against resistance, letting the joint angle increase to lower that object under your control.The opposite is the concentric contraction were the arm is flexed upward to decrease the angle at the elbow.
What substances are nedded for cellular respiration to take place and what substances are during cellular respiration?
The substances that are needed for cellular respiration are glucose and oxygen. During cellular respiration, the cells convert food into usable energy.
When do green plants carry on respiration?
both photosynthesis and cellular respiration occurs during the day, however, during the night when there is no sunlight only cellular respiration occurs.
What happens to the atmosphere during cellular respiration?
oxygen is added to the atmosphere when plants take in carbon dioxide during cellular respiration
What muscle contraction occurs in the biceps brachii during the upward phase of the bicep curl?
a concentric contraction- a concentric contraction involves the muscle length, shortening during a contraction! YA-trick-YA!
What is the function role of t tubules?
Enhance cellular communication passage for nervous stimulation during muscle contraction.
What is commonly used to produce ATP during skeletal muscle contraction?
creatine phosphate, anaerobic cellular respiration, aerobic cellular respiration
What must be present during cellular respiration?
Oxygen and fuel and activity.
What joint actions occurring in a lateral raise during the concentric and eccentric phase?
To see eccentric contraction, look at the biceps curl with flexion around the elbow. As you lower a weight, you are working against resistance, letting the joint angle increase to lower that object under your control.The opposite is the concentric contraction were the arm is flexed upward to decrease the angle at the elbow.
Which region of a sarcomere shortens during contraction?
During a contraction, the I bands and H zone of a sarcomere contract. The A bands remain unchanged.
What kind of contraction are the quadriceps going through in order to walk?
Isotonic contractions during the entire motion of walking. They are undergoing isotonic concentric to extend the knee to reach out for the next step. Than after the foot lands on the ground the hamstrings contract, but the quadriceps perform isotonic eccentric contraction to help control the movement in order to prepare for the next step.
What is the joint action during the eccentric phase of a biceps curl?
A concentric movement would be flexing the elbow and curling a dumbbell towards the shoulder, an eccentric contraction would be the opposite movement ie bringing the dumbbell back down towards the thigh.
What happens to a muscle contraction if there is an excess amount of either Ca2 plus or ATP present during the contraction?
During muscle contraction the actin heads pull the sarcomere closed
What is the joint action during the concentric phase of reverse fly?
horizontal abduction
The muscle decreases in muscle length during contraction but tension is the same?
Isotonic contraction
Is it true or false that during isometric contraction the energy used appears as movement?
during isometric contraction, the energy used appears as movement
