Wave summation occurs when a muscle undergoes rapid stimulation before it has fully relaxed, causing subsequent twitches to combine and result in a more forceful contraction. This is caused by an accumulation of calcium ions within the muscle fiber, which enhances the cross-bridge cycling process and leads to greater tension development.
Wave summation occurs when a muscle is stimulated rapidly enough that it does not have time to completely relax between stimuli, causing the contractions to combine or "summate" to produce a stronger muscle contraction. This phenomenon can occur during repetitive or sustained muscle activity, leading to increased muscle force production.
Three causes of a wave are wind blowing over the surface of water, earthquakes underwater, and gravitational pull from the moon and sun.
It depends on the type of wave. If it is a transverse wave, then the medium moves in one direction while the wave moves in a perpendicular direction. Flicking a rope up and down causes a transverse wave. Eletromagnetic waves (e.g. light and radio) are transvere. If it is a longitudinal wave then the wave moves in the same direction as the medium. Pushing a slinky causes a longitudinal wave. Sound waves are also longitudinal.
False. A transverse wave causes its medium to move perpendicular to the direction the wave travels. This means that the particles of the medium move up and down or side to side as the wave passes through.
The wave produced in a rope is called a transverse wave. This type of wave causes the particles in the rope to move perpendicular to the direction of the wave's propagation.
produce smooth, continuous muscle contraction
wave summation results and muscle twitches overlap.
In skeletal muscle contraction, summation means increasing the number of stimuli that is delivered to a given motor unit per time. This increases the Calcium concentration, which causes more tension and shortening of the muscles.
Wave summation releases more calcium and increases the force of contraction by increasing the firing rate of motor neurons (The second contraction takes place before the first is completely at rest) so each stimulation adds up. This is all within ONE MUSCLE FIBER. Recruitment is the calling up multiple MOTOR UNITS, in order to increase the force of contraction. t has a size principle (those with small diameters, the more delicate ones are called first, then the larger and so on.) There is no added calcium ions as in wave summation. They usually occur together. wave summation can cause tetanus, while recruitment cannot.
Wave summation occurs when a muscle is stimulated rapidly enough that it does not have time to completely relax between stimuli, causing the contractions to combine or "summate" to produce a stronger muscle contraction. This phenomenon can occur during repetitive or sustained muscle activity, leading to increased muscle force production.
It increases about to about four times greater than a normal contraction for skeletal muscle.
in wave summation muscular fibers recieve second stimulus after a refractory period and before fiber relaxes while in tetanus the fiber receives 20-30 stimuli per second and it relax partialy.
It's not. It depends on the method you use for summation whether summation > integral or integral > summation.
Seismic wave
Relax
Longitudinal wave
The surface wave.