Why do tetanic contractions indicate the frequency of the nerve impulses causing contractions?

Q: Define the term Twitch Contractions?

A: A twitch is often described as a period of muscle contraction and relaxation in a muscle in response…

Q: Which Factors Determining Muscle Tension?

A: The soft tissue-like structure found in the majority of the animals including human beings is known…

Q: ss of muscle tone is associated with which deficiency?

A: Soft tissues are muscles. Your muscles are made up of many stretchy fibres. Your body contains over…

Q: On a muscle twitch recording, label the latent period, period of contraction, and period of…

A: Muscle cells are specific for contraction. It allows for motions and facilitates bodily processes…

Q: Why is it better that our muscles perform unfused tetanic contractions rather than single twitches…

A: Introduction: Muscle contraction is required for daily activities as well as for movements. Muscles…

Q: What is the sequence of events that occur when a muscle fiber contracts (begin with release of…

A: The contraction of the skeletal muscles is best explained by the Sliding filament theory. This…

Q: What are Twitch Contractions?

A: Tendons attach skeletal muscles to the bone. Numerous bundles which make up the skeletal muscle are…

Q: Explain the phases of a twitch contraction.

A: The contraction generated by one action potential is termed a muscle twitch.

Q: Why is it important to remove acetylcholine from its binding to acetylcholine receptors once the…

A: Neurotransmitters can serve as chemical messengers for ion channels, neurotransmitter mainly causes…

Q: Billy has strained a muscle during a recent badmitton match. Describe a treatment plan to help him…

A: Muscle strain is the stretching or tearing of a tissue or muscle that connects the muscle to bone…

Q: List the three typical stages of a muscle twitch, as seen in amyogram.

A: Myogram is a graphic representation of the phenomena of muscular contractions.

Q: Identify three processes in a muscle twitch that require ATP?

A: When one muscle fiber contracts in response to a command (stimulus) from the nervous system, it is…

Q: What are the various Myosin-Powered Movements

A: A protein that is an element of the cytoskeleton system and functions to transduce force by binding…

Q: What are the two neurotransmitters involved in excitation and inhibitation of muscles?

A: A neurotransmitter is a chemical signal that transports, amplifies, and balances signals between…

Q: What is the difference between isometric and isotonic contractions?

A: The origin of the muscle is the mesoderm. Muscle is of three types - 1. Skeletal muscle - Voluntary.…

Q: If a single twitch of a skeletal muscle fiber lasts 40 msec, what action potential stimulation…

A: In human physiology, skeletal muscle is defined as the vital organ of muscular system which is also…

Q: What causes the variation of the measurements for the periods (latent, contraction, relaxation…

A: Motor neurons that are located in the motor cortex of the brainstem or the spinal cord innervate…

Q: Muscle contraction is not the only process controlled in temperature-regulating reflexes. True or…

A: Muscle contraction is considered as the process, in which tension develops in the site present in…

Q: Identify and describe the three phases of a twitch contraction

A: Decrease in the length of a muscle or an increase in tension across it results in the contraction of…

Q: Where does Ca2+ for contraction come from

A: Epithelial tissue, connective tissue, muscular tissue, and nerve tissue are the four fundamental…

Q: When an action potential runs down the surface of the sarcolemma, the muscle doesn't immediately…

A: Muscles  play an important part in locomotion and movement. They are derived from mesodermal layer…

Q: As lactate and other substances accumulate in an active muscle, they stimulate pain receptors and…

A: HEAT THERAPY : heat therapy also called as thermotherapy is the use of heat in therapy , such as for…

Q: Which of the following can respond to increased stimulation with a graded response: a) motoraxon…

A:

Q: Why is an interneuron needed to provide reciprocal inhibition of the flexor muscle when an extensor…

A: Stretch reflex is a monosynaptic reflex with two neurons and one synapse.

Q: What would happen without input from gamma motor neurons? A) Information about velocity would…

A: Intrafusal fibers are specialized muscle fibers. They are found in the muscle spindles. Muscle…

Q: Explain the role of tetanus in normal muscle action.

A: All the sensory activities are controlled and coordinated by the nervous system. The external…

Q: Describe the processes by which muscles obtain the energy to power contractions.

A: Muscles are tissues of the body that helps in contractions that further aids in movement. These…

Q: What causes the variations kn the measurements for the twitch amplitudes for different twitches?

A: A contraction of muscle fibers generate when an action potential pass down the motor neurons. A…

Q: How does the frequency of action potentials affect musclecontractions?

A: The frequency of the action potentials generated by motor neurons also contributes to the regulation…

Q: is the refractory period in muscle contraction similar to that in action potential?

A: Muscle contraction- Muscle contraction is defined as the tightening, shortening, or lengthening of…