Three orders of levers are recognized: I. Fulcrum (pivot) between power and weight. II. Weight between power and fulcrum. III. Power between fulcrum and weight. What order of lever is involved in the action of the gastrocnemius muscle of the frog? Of man?

Q: What are two factors which allow the gastrocnemius and soleus muscles to generate greater plantar…

A: The two main muscles that form the calf of the lower legs are gastrocnemius and soleus muscles. The…

Q: Utilize the attached picture. She leads with her right leg. A. What motion is occurring in the left…

A: 1.Answer : Motion occurring in the left knee from A to B is flexion .Beacuse in the picture angle…

Q: Identify one muscle group and specifically name the muscles of that group. Explain the primary…

A: DELTOID : Deltoid is a muscle group that consists of muscles that surround the shoulder, it includes…

Q: Describe three contrasting actions of the deltoid muscle.

A: DELTOID MUSCLE The deltoid is a thick, triangular shoulder muscle. It receives its call due to its…

Q: Which muscle is NOT supposed to make contraction when you do elbow flexion? Triceps brachii O Biceps…

A: Introduction: Elbow flexion is the movement of forearm towards the body by giving a bend at the…

Q: dentify the major muscles described next:

A: Muscle may be a soft tissue found in most animals. Muscle cells contain macromolecule filaments of…

Q: Consider only the effect of the brachioradialis muscle for these questions: If a weight is held in…

A: Levers may be used to move a much higher weight with a small force. Bones serve as lifting arms…

Q: Compare and contrast first-, second-, and third-class levers

A: Levers in our body are shaped from bones, joints and muscles. A lever comprises of an inflexible…

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: Describe three types of musculoskeletal levers and their respective advantages?

A: As we know human body is made of skeleton. Skeleton is structure that keeps body in shape and helps…

Q: What is an example of multiple lever types in the body during the same movement?

A: A lever helps to lift or move heavy objects easily. The human body is capable to perform a wide…

Q: Masseter 2. Temporalis 3. Occipital frontalis 4. Orbicularis oculi 5. Sternocleidomastoid 6.…

A: The masseter lifts the lower jaw to close the mouth and it is the strongest muscle in your body.…

Q: The function of the biceps femoris is to A. flex the hip and ankle. B. extend the thigh and flex…

A: The biceps femoris is a muscle of the thigh located to the posterior, or back. As its name implies,…

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: Why is quadratus lumborum considered the most powerful of all the lateral trunk flexors? What other…

A: The quadratus lumborum muscle is a muscle in the posterior abdominal wall lying deep inside the…

Q: IF a patient is unable to dorsiflex his or her foot.Which muscle do you think would be involved in…

A: Dorsiflexion is the ability to contract or pull you feet inwards ie towards your shins. While…

Q: Coactivation of abdominal muscle and muscles supporting the spine has been shown to be essential for…

A: Coactivation is the process when the antagonistic muscle contract weekly during the contraction of…

Q: What difference does foot plant or no foot plant make to the functions of the gluteus medius and…

A: Muscles are the body's greatest protein storage facility. Whenever dietary protein is scarce, the…

Q: Person 1: Plays piano Person 2: A track and field athletes who competes at shot put Question:…

A: Our muscles show different types of contraction based on the type of physical activity a person is…

Q: Define a first-, second-, and third-class lever and give an example of each in the musculoskeletal…

A: Levers is a machine that is connected to the beam at a fixed point known as fulcrum. In biological…

Q: Define Flexors? Give one example of it?

A: Muscles in the body can be  a flexor,  extensor or a stabilizer depending on  It's action  and…

Q: 1) Describe the different criteria that contribute to how skeletal muscles are named. For example…

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

Q: Name the seven muscles that attach the scapula to thethorax. What muscles attach the arm to the…

A: The scapula is the bone present at the shoulder. It is also known as the shoulder bone. The muscles…

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: A mink just came up to you and hugged your leg. As it squeezes, what muscles are most directly…

A: Mink is a semi-aquatic dark-colored colored animal. It belongs to the genera of Nevison. Mink feeds…

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: 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: 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: Why do you suppose there are more and larger muscles involved in plantar flexion of the foot than…

A: Plantar flexion is defined as a movement where the top of the foot points away from the leg. Plantar…

Q: Define a lever.

A: The liver is the largest gland or largest solid organ in the human body. It is a spongy mass of the…

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: 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: What effect does the amount of trunk flexion and barbell placement have on the knee and hip muscles…

A: Answer

Q: Give a part of the body that uses the 2nd class lever system

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

Q: what muscles Pronate the forearm? Flex the elbow? Flex the wrist? Flex the shoulder?

A: Muscles pronate forearm :-------> 1. Pronator teres 2. Pronator quadratus Muscles flexes…

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: Name three muscles of the pig that together correspond to the trapezius muscle in the human.

A: Anatomy can be defined as a branch of biology that is associated with the study of the organism’s…

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: Why do some people lack a palmaris longus muscle?

A: The palmaris longus is a muscle visible as a small tendon located between the flexor carpi radialis…

Q: Name two muscles found in the pig and in the human that can flex the forelimb.

A: In humans, the triceps is a muscle on the posterior side of the upper arm that flexes the forearm.…

Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.