When using muscles how do you generate more tension when picking up a heavier object than you do when picking up a pencil with the same muscles?

Q: assume that the force generated by 2 different arms was exactly the same. if the EMG for arm 1 was…

A: EMG stands for electromyography which is a procedure for measurement of the electrical response of…

Q: When you exhale after taking a deep breath, your diaphragm pushes all the air out of your lungs.…

A: Newton's 3rd law of motion states that for every action there is equal and opposite reaction.  This…

Q: Which muscular movements pull the forearm toward the shoulder? Select all that apply. Biceps relaxes…

A: Muscular movements are the movements of muscles by contracting and relaxing.

Q: How many muscles are there in the human body?

A: Muscles are required in breathing, talking, running, walking, and anybody movement. Actin and…

Q: muscles of the hands (forearm) and fingers which contract and relax to catch an object

A: Muscle is a specialised tissue originated from the germ layer mesoderm. The muscular tissue is made…

Q: What % or fraction of muscle fibers do we use at any given moment!

A: When a person exercises systems like- The cardiovascular, respiratory, and muscular systems all work…

Q: Would the muscles that cause flexion of the neck have their origin or insertion on the head? Explain…

A: Yes, the muscles that cause flexion of the neck have their origin or insertion on the head.

Q: flexibility

A: Answer:How do you make ligaments more flexible: There are five simple strategis-- Make a long-term…

Q: Flex your arm. Which group of muscles is contracting? Which group of muscles must relax so that you…

A: Flexion refers to the bending an arm or leg. It is medical terms which is use to describe the…

Q: Muscular Flexibility

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Name a muscle that undergoes eccentric contraction as you sit down in a chair.

A: Eccentric contractions as the name says is the contraction of the muscle during the eccentric phase…

Q: What do you think is the reaction of the muscles upon the introduction of Sarin or VX in the…

A: The neuromuscular junction (NMJ) is the synapse formed between a muscle fiber and the motor neuron…

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: 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: Lying on your stomach and curling your legs (ankles to bottom) works which muscle the most? A)…

A: Muscles are the most important tissue of the body and helps in the controlled movements of body.…

Q: Doing lots of pushups would be good for strengthening this muscle: A) SartoriusB) HamstringC)…

A: A variety of body movement is provided by the skeletal muscle and joints. The movement of each…

Q: Where do you get the energy to contract your muscles and when do you use it? When do you use the…

A: Muscles are the tissues that aid in the locomotion and movement of the body. Often muscles are…

Q: Why can you lift a larger load when your elbow is slightly flexed and your biceps muscle is at an…

A: The muscles relax and contract the body parts of the human body to cause the movements. The effect…

Q: You would use this muscle to help you cross your legs. (Hint: sitting on the floor in a yoga…

A: Various muscles in our body, especially at the joints, help us to do flexion, adduction, extension,…

Q: Please explain in detail how Calcium is removed from the troponin and tropomyosin to allow muscles…

A: The contraction of a muscle or the sarcomere is prevented by the complex of troponin and…

Q: Doing chin-ups does NOT typically work which of the following muscle groups? A) GastrocnemusB)…

A: Muscles are soft tissues present in most animals. They contain protein filaments called actin and…

Q: Which of the following is not an example of a general exercise? Squats for a tennis player Oblique…

A: The physical exercises employed in entire body fitness are known as general exercises. They have…

Q: Which muscle produces movement that allows you tocross your legs?a. the gluteus maximusb. the…

A: Movement is a change in posture or position of any body part of a living organism. It is essential…

Q: differentiate specific muscles that function as prime mover, antagonist, synergist or fixator.

A: Muscles are in the form of contractile fibers varying in lengths and form muscular tissue. The…

Q: osterior muscles (draw the lever) the biceps muscle (draw the lever)

A: Muscle is a type of contractile tissue that is organised into systems for increased efficiency.…

Q: Your knees should be bent at a comfortable and greater than 90 degrees flexion when sitting in front…

A: Body mechanics is the coordinated effort of the nervous system and musculoskeletal system to…

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: Describe the roles of plantar flexion and dorsiflexion inwalking. What muscles produce these…

A: The term flexion refers to the movement at a joint which decreases the angle between the bones…

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: What functions do these muscles perform? MUSCLES IN MINK: Pectoralis major Pectoralis minor…

A: A muscle consists of a bundle of a cylindrical-shaped structure called muscle fibers. Their primary…

Q: Consider the movements of plantar flexion and dorsiflexion. Propose a reason why there are far more…

A: The ankle joint observes four types of movements, two of which are dorsiflexion and plantarflexion.…

Q: This muscle is the major “antagonist” of the muscles that flex the forearm. (What is an…

A: Dear student, as you have not mentioned the question number to be answered, we are answering the…

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: When you bring your hand to your shoulder, your biceps muscle ____ and your triceps muscle ____.…

A: The biceps are located on the front of the upper arm and provide arm flexion, while the triceps are…

Q: An isometric exercise is one in which the joint angle does not change during the application of…

A: Muscles are part of the skeletal system in animals and humans. Muscle tissue is made up of Myocytes…

Q: When chickens escape from predators, which group of muscles do they use?

A: Chicken can't really fly but they Cantt their Wings to move for short distances.When the predators…

Q: When running on the balls of one’s feet, what muscle resists dorsiflexion of the talocrural joint…

A: Talocrural joint This joint is formed between the distal tibia-fibula and the talus. It is also…

Q: Using the picture, describe which muscle (supraspinatus or deltoid) has a mechanical advantage for…

A: It is a ball and socket joint. When the abduction movement occurs, the forces created at the…

Q: When hopping, kangaroos get an extra lift from the recoil of the tendo of Achilles. True False

A: Skin is the outermost protective covering of the body and is the largest organ it is composed…

Q: Discuss the functions of the different types of levers found in our body. How do these different…

A: Levers are formed when muscles and bones work together. A lever is a solid rod (typically a bone…

Q: Chicken breasts muscles are colored white, whereas chicken legs are composed of dark muscles. The…

A: Dark colour appears on muscles because they are dense with capillaries and is rich in myoglobin and…

Q: While playing football, you are tackled hard and have diffculty getting up (trouble flexing your…

A: Leg is the lower limb of the body in animals that is mainly used for support and locomotion. They…

Q: This muscle group primarily acts on the knee; involved with flexion at the knee.This muscle is…

A:

Spheres of physical activity

The spheres of physical activity experience include aspects of everyday life where physical activity is important. In general, the spheres recognize various purposes of physical activity in different contexts. The spheres of physical activity provide a broad basis for assessing the significance and prevalence of physical activity. There are seven spheres of physical activity experience.