Sketch a myogram of a single muscular twitch, and identify the latent period, period of contraction, and period of relaxation.

Q: Differentiate between Control of Muscle Tension and Control of Shortening Velocity?

A: Muscle tension defined as a condition in which muscle remains in the semi contracted condition for…

Q: Describe the relationship between the resting muscle length and the strength of its contraction.

A: Muscles are stretched even at rest i.e. when muscles are not contracting they are actually stretched…

Q: List some skeletal muscle disorders?

A: Skeletal muscle disorder is also known as Musculoskeletal disorder and abbreviated as MSDs  .  As…

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: Review the sliding filament model of muscle contraction

A: Sliding filament model of muscle contraction is a model which explains the mechanism of how the…

Q: Note the color of each three types of muscle fiber: slow twitch, fast twitch oxidative and fast…

A: Slow twitch muscle fibers:  Resistant to fatigue  For sustained,smaller movements and control of…

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: Identify the major events that occur during skeletal musclefiber contraction.

A: The skeleton is composed of bones, cartilages, tendons, and ligaments. The body movement is…

Q: Describe the important steps in muscle contraction.

A: A repeated binding of the thick filament to the thin filament causes it to slide over the thin…

Q: What is the time relationship between a skeletal muscle fiber action potential and the resulting…

A: A skeletal muscle is a part of the “muscular system” of our body. A fiber of a skeletal muscle is…

Q: Name the sources of muscle energy and briefly explain each.

A: The muscular system comprises of skeletal muscles, smooth muscles and tendons. This system plays an…

Q: Explain the phases of a twitch contraction.

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

Q: Describe the events that result in the relaxation of skeletal musclefibers?

A: A smooth, sustained contraction from the rapid stimulation of skeletal muscle fibers is called…

Q: List the factors responsible for skeletal muscle fatigue?

A: Muscle fatigue refers to a decrease in muscle strength produced during continuous periods of…

Q: Name the stages of a muscle twitch in order

A: Muscle twitches are involuntary contractions of the muscle fibers. Nerves control these muscle…

Q: Which type of contraction develops more muscle tension: isotonic or isometric?

A: Muscles are the tissues that can change their length and cause movement of the body parts.

Q: Define several types of muscle injuries often incurred in sports and recreation?

A: Sports require rigorous training and physical activities that can lead to several muscle and bone…

Q: Describe the neural control of skeletal muscle contraction.

A: Muscle is a type of soft tissue that is located in most animals. The cells consist of protein…

Q: Define sliding filament theory of muscle contraction.

A: Muscle contraction is the mechanism of generation of tension in the muscle fibers. The contraction…

Q: Define responsiveness, conductivity, contractility, extensibility, and elasticity. State why each of…

A: The structural components of a muscle fiber are responsiveness, conductivity, contractility,…

Q: Describe the major events that occur when a muscle fiber contracts. Include all chemicals,…

A: Numerous bundles which make up the skeletal muscle are called fascicles and each of these is…

Q: Explain the role of calcium and ATP in muscle contraction ?

A: When a muscle cell is relaxed, the concentration of calcium ions is a smaller amount within the…

Q: Explain the length-tension relationship in skeletal muscle contraction.

A: Tension in muscles is composed of the forces generated by many cross-bridge formations. It is the…

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: Based on various types of muscle fibres, what factor(s) determines the speed and duration of a…

A: Muscle contains muscle fiber cells which are specialized for contraction. Based on location,…

Q: Describe the connective tissues and associated structural organization of a muscle?

A: Introduction: The four basic tissues that make up the human body are- epithelium, connective tissue,…

Q: Explain Smooth Muscle Contraction and Its Control?

A: Smooth muscle to controlled by the autonomic nervous system. Smooth muscle contraction uses less…

Q: Give the diagram of a sarcomere of skeletal muscle showing different regions?

A: Skeletal muscles are made up of muscle cells. A sarcomere is the unit of the striated muscle tissue…

Q: What factors determine the duration of an isotonic twitch in skeletal muscle? An isometric twitch?

A: To a single action potential, twitch is the mechanical response of a muscle fiber. Before the…

Q: describe whole-muscle contraction and its control?

A: actin and myosin filament perform diverse functions like a contraction, cell motility, cyclosis, and…

Q: Describe the physical state of muscle fiber in rigor mortis and the conditions that produce this…

A: According to the question, we have to mention the physical state of muscle fiber in rigor mortis and…

Q: Define and describe hypertrophy of skeletal muscles. Whatconditions stimulate it?

A: Hypertrophy is described as a condition where there is an increase in the skeletal muscles. This…

Q: explain why the force of a muscle contraction dependson the muscle’s length prior to stimulation.

A: The length-tension relationship of our human muscle states that specifically, the isometric tension…

Q: Describe the structure of skeletal, cardiac, and smooth muscle.

A: Muscles are organs that are composed mainly of muscle cells, which are also called muscle fibers.…

Q: What factors contribute to the amount of tensionproduced in an individual muscle fiber?

A: The amount of tension produced in an individual muscle fiber depends on the cross-sectional area of…

Q: Compare the mechanisms involved in the major typesof muscle fatigue.

A: Muscle fatigue is defined as a decrease in maximal force or power production in response to…

Q: Explain the sliding filament theory of muscle contraction, including the following parts; thich…

A: Muscle contraction is the mechanism of generation of tension in the muscle fibers. The contraction…

Q: List the phases of a muscle twitch, and describe theevents that occur in each phase.

A: Phases of Muscle twitch:                   When an stimulant action potential travels down through…

Q: Describe the ion dynamics of the muscle-contraction process.

A: Tension-generating regions within muscle cells are activated during muscular contraction. Muscular…

Q: Explain the sequence of steps in smooth muscle contraction.

A: The muscular system of the human is made up of muscle which is a soft tissue that is found all over…

Q: Describe the chain reaction of muscle relaxation

A: Muscles are the tissues that show contraction, relaxation and stretching activities and allow…

Q: List and describe the structures associated with energy production within skeletal muscle fibers.

A: Respiration is biochemical process that is aimed at deriving energy from food. This can occur with…

Q: Fill in steps for mechanism of muscle contraction:

A: Step 1: COCKED POSITION:- At rest, myosin heads are bound to adenosine diphosphate and are said to…