Creado por alexlpeart
hace alrededor de 11 años
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Pregunta | Respuesta |
What happens to the antagonist muscle in a contraction after training? | Antagonist briefly contracts before the movement while the antagonist allowing the agonist to activate before being released. |
What happens to the EMG activity after training? | increased EMG activity, larger impulses sooner so larger motor units are more quickly recruited, training may also sustain impulse for longer therefore increase contraction time. |
Give some evidence that muscle inhibition limits muscle force. | Hypnosis aimed to remove muscle inhibition saw an increase is muscle force. |
Give some evidence for the learning effect of a movement. | When two groups were asked to lift a maximal weight. One group then trained using isometric contractions different to the assessment method while another group trained using the assessment method. A large increase in the second group but not in the isometric group. This was due to the learning effect. |
Give a physiological phenomena which occurs and provides evidence for neural adaptions. | Cross over effect, unilateral leg sees increases in strength following a training program in the opposite limb, however no increase in cross sectional area. |
Give 5 neural adaptions to muscles following strength training. | Greater efficiency in neural recruitment patterns, increased motor unit excitability, increased CNS activation, increased motor unit synchronization and rate of firing, decreased inhibitor reflexes, inhibition of golgi tendon organ. |
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