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What joint action is brought about by the concentric contraction of the rectus abdominis?
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Examples of different types of muscular contraction relating to four types of physical activity?
=1. Throwing a ball in a football match - this would be a concentric contraction because when bringing the ball behind the head your biceps do the concentric contraction. This is because the two ends of the bicep come closer to each other when doing the action. == ==2. pomallhorses in gymnastic - this is a isometric contraction because the biceps and triceps when doing this the ends of the muscle do not come closer of get further away form each other they stay the same. == ==3. Kicking a ball in rugby - this is an concentric contraction because the ends of the hamstring get further away when doing this action therefore it is a concentric contractions.== ==4. Sit ups - when doing sit ups your abdominals get closer when you sit up form the floor there for this is a concentric contraction.=
What are the electrical events conducted along the cell plasma membrane that stimulate contraction?
Action potentials
What are the seven criteria that are used in naming muscles and give examples?
Direction- Rectus abdominis Size- Gluteus Maximus Shape- Deltoid Action- Flexor Carpi Radialis Number of Origins- Biceps Brachii Location- Temporalis Origin and Insertion-sternocleidomastoid
What does calcium do for your body?
Calcium strengthens your bones by adding matter. It also helps in the muscle contraction and the transmission of the nerve signal in the form of action potential
What is the importance of delay in the action potential in the AV node?
At the AV node, the impulse is delayed for about 0.1s, allowing the atria to respond and complete their contraction before the ventricles contract.
What type of muscle contraction happens in a bench press?
a concentric muscle action.
Examples of different types of muscular contraction relating to four types of physical activity?
=1. Throwing a ball in a football match - this would be a concentric contraction because when bringing the ball behind the head your biceps do the concentric contraction. This is because the two ends of the bicep come closer to each other when doing the action. == ==2. pomallhorses in gymnastic - this is a isometric contraction because the biceps and triceps when doing this the ends of the muscle do not come closer of get further away form each other they stay the same. == ==3. Kicking a ball in rugby - this is an concentric contraction because the ends of the hamstring get further away when doing this action therefore it is a concentric contractions.== ==4. Sit ups - when doing sit ups your abdominals get closer when you sit up form the floor there for this is a concentric contraction.=
What are different types of contraction in sport?
The different types of contraction in sport is; Concentric Eccentric you also have to include; joint action e.g. Extension / flexion the agonist / agonistic muscle pairs e.g. hamstrings, quadriceps, biceps, triceps ect. & the joint itself e.g. knee, elbow, shoulder,
What is the concentric joint action in a lateral raise?
hamstring
What is the concentric joint action for lateral raise?
horizontal abduction
What is the concentric joint action of the hamstring curl?
flexion exstention
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 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 is the joint action during the concentric phase of reverse fly?
horizontal abduction
What is the action verb in this sentence I brought a cookie to the store?
brought is the action verb
What is the basic action of any muscle?
Contraction
Is the action of quadriceps concentric or eccentric when weight is lowered when squatting?
Glutes and quads contract when you stand, lengthen when you squat. So it's eccentric for those muscles. There are a bunch of muscles involved in a squat, some may be concentric.
