Describe an everyday activity not involving the arms thatwould involve concentric contraction and one that wouldinvolve eccentric contraction.

Q: What are Hhe Sequence of events Which lead to Skeletal Muscle contraction? (Starting with…

A: The mechanism of contraction of skeletal muscle was best explained through sliding filament theory.…

Q: Describe the five basic muscle shapes (fasciclearrangements).

A: When a group of skeletal muscle fibers forms a bundle as a whole within the muscle it is called a…

Q: Define isometric contraction

A: The contraction of the muscles can be explained by the sliding filament theory. According to sliding…

Q: Describe the difference between a muscle’s origin andits insertion.

A: The cardiac muscle tissues and the smooth muscle tissues of the human are involuntary in nature. The…

Q: Which type of fatiguecomes from overexertion of the muscles?

A: Muscle fatigue is the inability of the muscle fibers to perform to its full capability . There are…

Q: explain how fasciculus orientation determines muscleshape and list examples of muscles that…

A: A fasciculus refers to a group of skeletal muscle cells which are arranged or bundled together such…

Q: Give two example of 'curvature' movement?

A: Terrestrial plants are not free to move around and hence cannot change their location. Yet, plants…

Q: Discuss the Prime movers, agonist, antagonist, synergists, fixator muscles

A: Muscles are the soft tissues made up of many different fibers that allow these muscles to contract…

Q: Distinguish between (a) direct and indirect muscle attachments and (b) a tendon and an aponeurosis.

A: Muscles are the soft tissues in an organism's body comprised of proteins known as actin and myosin…

Q: Compare the force produced by a muscle over timewhen it is stimulated by a single twitch stimulus…

A: Muscle strength formation refers to the mechanism in which the skeletal muscle transforms metabolic…

Q: Explain why muscles are stiff (contracted) when rigor mortis occurs.

A: Rigor mortis is the condition in which there is the occurrence of biochemical changes after few…

Q: Describe a cycle of cross-bridge activity during contraction and discuss the role of ATP inthis…

A: 1. when Ca+ binds to the troponin, the active site on the actin is exposed 2.  myosin and actin form…

Q: Which of the following is in the correct order of largest to smallest O Muscle, bundle of…

A: The muscular system is a part of the cytoskeletal system, which is responsible for the movements…

Q: Describe a muscle twitch and the events that occur ineach phase of a twitch.

A: A single brief threshold stimulus cause contraction followed by relaxation. This kind of response is…

Q: muscle spidnles are _____ receptors and provide ____ information, whereas golgi tendon organs…

A: The majority of skeletal muscles contain this stretch receptor, which is widely distributed. When a…

Q: Why is muscle that has sustained significant damageunable to produce the same amount of power as it…

A: The muscle is a type of contractile tissue. It provides contractibility, elasticity, and…

Q: When a person or animal is not moving, do you think the muscles are relaxed? Why?

A: Muscles are the part of Muscular system.There are about 600 muscles in the human body. The three…

Q: Describe isometric, concentric, and eccentric contraction?

A: The muscle contraction is categorized into three types based on how the muscle contacts (lengthening…

Q: What are the positions ofactin and myosin molecules inthe sarcomere before andduring the…

A: The sarcomere is the smallest functional unit of a skeletal muscle fiber. It is a highly organized…

Q: distinguish between concentric and eccentric contraction.

A: The cross-bridge cycling of actin and myosin induces stress in muscle fibers. The muscle can…

Q: How does the lack of an unresponsive period in skeletalmuscle fiber contraction explain wave…

A: The skeletal muscle fiber when bundled together constitutes a skeletal muscle. This muscle gets…

Q: What is theneurotransmitter of theneuromuscular junction? Howdoes the nervous systemtrigger muscle…

A: A neuromuscular junction is a biochemical synapse between muscle fiber and a motor neuron. It…

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 role ofATPin skeietal muscle contraction

A: The mechanism for muscle fiber contraction begins at the neuromuscular junction. The neuromuscular…

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: 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: Describe the organization of a motor unit in vertebrate skeletalmuscle, and explain how recruitment…

A: Skeletal muscles are attached to bones by tendons, and they produce All the movements of body parts…

Q: Poorly conditioned, middle-aged peoplemay suffer a rupture of the calcaneal tendonwhen the foot is…

A: Another name of the Calcaneal tendon is the Achilles tendon or heel cord. This tendon is present at…

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: 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: Define agonist, antagonist, and synergist

A: Introduction: Muscle is a form of soft tissue present in all mammals. Muscle cells produce actin and…

Q: The disease poliomyelitis (po′le-o-mi′˘e-li′tis) destroys motor neurons, causingloss of muscle…

A: Poliomyelitis is caused by a virus that may cause paralysis in the person. Poliomyelitis can be…