What is a motor unit? Explain why the size of motor unitscan be different in different muscles

Q: Compare the composition of flight muscles with a powerful locomotive muscle in terms of…

A: Flight muscles are a type of muscle which is found in birds or insects. This muscle helps birds or…

Q: Briefly explain how does cross-bridge formation affect muscle force.

A: During muscle contraction, a force is generated in the muscle. This is termed the muscle force. This…

Q: What are the difference between red and white muscle?

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of myosin and…

Q: Why do some muscles have larger EMGs than other? Explain what’s happening at the cellular level.

A: Ans. Muscles are contractile tissues in the body that enable movement by contracting and relaxing.…

Q: What best explains the inability to fully contract a muscle when the muscle is first shortened prior…

A: Muscle contains muscle fiber cells which are specialized for contraction. The muscle movement is a…

Q: What is the role of stored creatine phosphate in muscles?

A: The human body consists of various systems that function together to carry out their daily…

Q: How does a muscle group can be uniped passively sufficient?

A: The words insufficiency and inactivity are important ideas in exercise programs: understanding the…

Q: Explain, structurally, why pennate muscles tend to be very powerful.  What aspect of muscular…

A: Pennate muscles are often called penniform muscles with fascicles' group and attach obliquely to its…

Q: Describe the three pathways by which muscles can produce theATP they need to contract.

A: Man needs the energy to do work, that energy is not directly obtained from the food he/she consumes.…

Q: Know the Sliding Filament Theory & neurological events leading up to contraction. (i.e. from the…

A: The level of calcium ions in the cytoplasm is controlled by muscle contraction. Calcium ions work at…

Q: describe the physiological properties that all muscletypes have in common;

A: Muscles are classified into various types based on their structures, locations, and ability.

Q: In my study guide, I have been going through notes and I am unsure of the topic on muscle…

A: Joints are the point of contact between two bones or a bone and a cartilage or between bones and…

Q: How does speed of muscle action affect the following relationships; force-velocity and force-power?

A: Muscle action : There are three types of muscle contractions i.e. concentric, isometric and…

Q: What geometric shapes can muscles have?

A: Muscles are tissues of the skeletal systems and can be classified into three types of muscles are…

Q: What type of control is this muscle under?

A: The muscular system is made up of special types of cells known as muscle fibers. The main function…

Q: What is muscle fatigue? How could you delay the fatigue of a muscle?

A: To describe: To describe the factors that are involved in muscle fatigue and to delay the fatigue of…

Q: What is NOT related to temporal summation for muscle contraction? residual Ca2+ in the muscle…

A: Temporal summation of muscle contraction can be described as a sensory summation involving the…

Q: What information is imparted in a muscle’s name?

A: Skeletal muscles are considered as one of the primary muscle types. They are striated muscle tissues…

Q: How does filament overlap affect force generation in muscles?

A: The contraction of muscles is best explained with the help of the sliding filament theory. This…

Q: Number of muscle fibers in the motor units of intrinsic hand muscles ...... number of muscle fibers…

A: The muscles are a part of the musculoskeletal system of the body. They are primarily responsible for…

Q: How are muscles formed? Explain.

A: Muscles are formed by the process known as myogenesis , in this process mycocytes I e.,  tubular…

Q: Which ion starts the muscular contraction by binding to myofilaments? Potassium Chloride Calcium…

A: The muscular system whose origin can be traced to the middle germ layeris responsible for the…

Q: How can the body regulate how much force the muscle should generate?

A: The force  a  muscle generates is dependent on the length of the muscle and its shortening velocity.…

Q: Does the H zone length change when a muscle contracts? Explain.

A: A muscle cell contracts and the the sarcomere shortens . However, the thick and thin filament of…

Q: Explain the points of attachments of skeletal muscles

A: Skeletal muscles are the muscles that are attached to bones by tendons. They are responsible for all…

Q: Describe the cross-bridge formation and the sliding mechanism during muscle contraction?

A: Cross - Bridge Formation-- Actin and Myosin proteins present muscle fibers play very important role…

Q: What differences would you expect to see between amotor unit where muscular strength is more…

A: Motoneuron is interpreted as a motor unit and relatedwith muscle fibres, are the essential…

Q: Explain how a slight (but smooth) contraction differs from a vigorous contraction of the same…

A: A unit that comprises of all the muscle fibers which are supplied by a motor neuron is called a…

Q: Which of the three lever systems involved in muscle mechanics would be the fastest lever—first-,…

A: Muscles are the human body's structural and functional entity and comprise three types; Skeletal…

Q: list two major differences between the way the smooth and skeletal muscles contract

A: Muscles are soft tissues, muscles and nerve fibers allows body movements and enable the internal…

Q: You are competing in a pull-up competition. What type of muscle  contractions are occurring in your…

A: Muscle contraction is a complex phenomenon and due to various kinds of variables moving, it has been…

Q: D E F А G

A: The skeletal system includes all of the bones and joints in the body.

Q: Muscle contraction What makes the thick filament? What makes the thin filament?

A: The muscles are the components of the body that enable locomotion. The nervous system regulates the…

Q: Explain the role of agonist, antagonist, synergist, and fixator muscles.  Give two examples of each.

A: Muscles are contractile tissues that are responsible for producing motion. There are three…

Q: Which type of muscle fiber arrangement is most appropriate for the shoulder muscle that leads to…

A: Introduction: The muscle is a contractile tissue responsible for the movements of the body. Muscles…

Q: What are the differences in the cellular and molecular levels in a bodybuilder arms muscles compared…

A: There is a lot of difference between the muscles of a bodybuilder compared to those of a weaker,…

Q: Rowing is a whole body movement Rowing is simulated using a rowing ergometer Does a preload occur…

A: KEY WORDS :- Rowing - It is a sport in which racing a boat on water using oars. It requires certain…

Q: Define the kinetic properties of the flight muscle ?

A: A wing (flight) muscle is among the muscles that is employed in flying. Classification  Direct…

Q: structural and functional differences between slow and fast muscle

A: "Muscle cells" are also known as "myocytes". These are the "cells" that made up the muscle tissue. A…