Mary overheard an argument between two students who could notdecide if a weight lifter who lifts a weight above the head and then holdsit there before lowering it is using isometric, concentric, or eccentricmuscle contractions. Mary is an expert on muscle contractions, so shesettles the debate. What is her explanation?

Q: All exercises listed below are examples of a plyometric exercise except... Squats Jump rope O Hops…

A: Plyometrics. - this term was coined by Fred Wilt. He coined the term after watching Soviet athletes…

Q: Muscle contraction can occur when: is it 1,2,3,4? A bands lengthen. myosin filaments shorten.…

A: Muscle is a specialized contractile tissue that is a distinguishing characteristic of animals.…

Q: please explain in detail in your own words Why we need derived position. Aims  of Passive ROM…

A: There are few postural positions which are considered as basic positions and thus they are called…

Q: Describe an everyday activity not involving the arms thatwould involve concentric contraction and…

A: Muscle is a soft tissue like structure which is primarily responsible for the movement in the body.…

Q: Treppe increases skeletal muscle contraction strength by:

A:

Q: A nerve fiber,together with all of the muscle fibers it innervates, is called amotor unit. A motor…

A: The plasma membrane of a neuron can change its potential from a resting potential to an action…

Q: the muscle that is "mainly" responsible for a movement is called the? the muscle that acts in…

A: It is a bundle of fibrous tissues produce motion and force in human body and helps in maintaining…

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: of his parent's house over the weekend. On Monday, he arrived at the clinic ainful back spasms. He…

A: A back spasm is involuntary tensing or contraction of the muscle in lower back. This condition…

Q: If an athlete increases their strength capability by 15% and their body mass by 20%, their ability…

A: Muscle contraction Muscle contraction is defined as the shortening or stretching of muscles while…

Q: muscle is contracting gonit. ntagarit: Ihe muscle tihat is relamng ar lengthening 4. What did you…

A: In our body, the movements of different parts of the body are done through a specific system of…

Q: Two lifter's knees are of interest at a specific moment in their lifts. In both lifts, the knee…

A: Patellofemoral joint consist of posterior patella and anterior femur. It is a diarthrodial plane…

Q: Below are data indicating the percentage of muscle fibers (Type I or Type Ilb) for three different…

A:

Q: Why do endurance sports require a high proportion of slow-twitchmuscle fibers, whereas power sports…

A: Introduction: Examples of endurance sports including running, biking, swimming. Such sports need…

Q: To demonstrate muscle fatigue, a student held an 8 lb dumbbell in her hand and abducted her arm…

A: Ans - the correct answer for the above question is- A) Different motor units were contracting while…

Q: The benefit of __ fascicle architecture is the ability to pack more fibers into a given area and…

A: Whenever a group of muscle strands is packaged as a unit inside the entire muscle it is known as a…

Q: What structures/s is/are responsible for the banding pattern in skeletal muscle cells? (EXPLAIN)…

A: Striated muscles are generally voluntary muscles that are under the conscious control of brain.…

Q: How many muscles do we use to lift a cup?

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

Q: Distinguish between a synergist, antagonist, and fixator. Explain how each of these may affect the…

A: The role of the muscle is to produce the movement smooth and effective.

Q: Which of these statements below would NOT BE TRUE regarding skeletal muscle activity? O most muscles…

A: Skeletal muscles are the voluntary muscles which works with the will of a person. These muscles are…

Q: The muscles of a recently deceased human can remain in a contracted state, termed rigor mortis, for…

A: Rigor mortis: It is one of the recognizable signs of death , caused by chemical changes in the…

Q: Each of the pairs of phrases below describe steps during skeletal muscie contraction. The 2nd phrase…

A: Muscle tissue is a type of tissue which contain actin , Troponin and myosin proteins so as to allow…

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: What change does ACh cause in an ACh receptor? Howdoes this electrically affect the muscle fiber?

A: ACh stand of acetylcholine receptor and it binds to ACh receptor. After binding it open the Na+ gate…

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: 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: Maximum force * Exerted when maximum number of cross bridges make contact Exerted at optimum resting…

A: Muscles come under the category of soft tissues. A human body is comprised of approximately six…

Q: When using muscles how do you generate more tension when picking up a heavier object than you do…

A: The amount of tension produced by muscles depends on the cross-sectional area of the muscle fiber…

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: Which of the following statements is true? Muscles push on bones; they do not pull O The end of the…

A: Bones are rigid, tough connective tissues that are reinforced with various specialized bone cells…

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: In the EMG experiment. the measured force came from the contraction of which muscles? Check all that…

A: The electrical activity of the muscles and the nerves regulating the muscles can be measured using a…

Q: In which of the following locations would you most likely find the tissue known as perimysium?…

A: Skeletal muscle is responsible for movement of various parts of the body and locomotion. These…

Q: Which of the following are part of the muscle contraction process?(More than one answer may be…

A: Muscle contraction is the basis of all skeletal movements. Skeletal muscles are composed of muscle…

Q: Which of the following statements appropriately use(s) the underlined term? a. A synergisthelps…

A: Muscles are described using anatomical terminology according to the actions and their structures.…

Q: Picking up a pencil requires what kind of stimulus to a muscle? OSub-threshold stimulus O Threshold…

A: Introduction :- Skeletal muscle is a type of striated muscular tissue that is directly controlled by…

Q: Which of these statements below would NOT BE TRUE regarding skeletal muscle activity? most muscles…

A: A muscle is a group of tissues that aid in movement of different parts of our body. They are made of…

Q: If your biceps brachii muscle attaches to your forearm 2 inches below your elbow, the distance from…

A: Introduction  The biceps muscle is located in the front of the upper arm. The biceps consists of a…

Q: Muscles provide the force for moving body parts.

A: The skeletal muscle is also referred to as voluntary muscle, and is involved mainly in running,…

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…

Q: Which of the following would NOT occur as a result of regular exercise to a specific muscle group…

A: The exercising involves the training of muscles by putting heavy load on them, due to exercising the…

Q: Question: According to the sliding filament model of contraction, the components of the sarcomere…

A: Given To find the components of sacromere that shorten when muscles contract.