Check this reflex by gently dorsiflexing a classmate’s foot then using a reflex hammer to strike the Achilles tendon. What was the result? Do you normally get the observed reaction when the gastrocnemius muscle is contracted?

Q: What are the neural pathways involved in the knee-jerk reflex?

A: REFLEX:        An involuntary automatic reaction to a specific stimulus that doesn't require input…

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: Stretch reflexes occur in many of the muscles of the body. Using table 10.16, determine which…

A: A stretch reflex is a muscle contraction in response to stretching within the muscles. The reflex…

Q: Give 3 examples of Antagonistic muscles and 3 examples of Synergistic muscles. Explain/describe the…

A: The moveable end of the muscle that attaches to the bone being pulled is called the muscle’s…

Q: Where are the lower motor neuron cell bodies that innervate the medial rectus muscle located?…

A: The lower motor neuron cell bodies that innervate (supply) the medial rectus muscle is located in…

Q: An individual suffers a disease that destroys all the muscle spindles in his quadriceps muscle. What…

A: Approximately every muscle includes muscle spindles. These soft sensory receptors instruct the…

Q: What might happen if you could suddenly stimulate gamma motor neurons to leg flexor muscles in a…

A: Neurons can detect, receive and transmit different kinds of stimuli. They are the structural and…

Q: Exaggeration of tendon jerks could result from any of the following conditions, except :-a- lesions…

A: A reflex action known as tendon reflex is produced if the tendon located below the knee is tapped.…

Q: Can you help me the name of the all of the number 56, 51, 71, 72, 54, 8, 5  of the label muscle…

A: There are 600 individual muscles in the human body. The main properties of that muscles is to…

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: explain how the brain determines which muscles to contract and how strongly to contract them?

A: Introduction: The human brain is responsible for several body functions. It occupies the cranial…

Q: What changes would occur in the knee-jerk reflex after the destruction of thegamma motor neurons?

A: Gama motor neuron is the most important neuron emerges from the anterior grey matter of the spinal…

Q: Sherrinton proposed the law of reciprocal innervation in the muslces. Which of the following is the…

A: Reciprocal innervation This refers to the motor neuron activity principle, which explains that when…

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: In making maximal-effort arm movements (e.g., throwing, striking, projecting an object as far and…

A: Muscles are the structural and functional entities of the muscular system of the body. Muscles work…

Q: Jason is a 21-year-old university student presenting with pain in the back of his right thigh. The…

A: Muscles are smooth tissues that are composed of contractile proteins, actin and myosin. These…

Q: escribe the sequence of events that occurs from the time the patellar tendon is stretched to the…

A: Muscle is the system that controls the movement of organisms. This is also responsible for…

Q: When recording force generated by the abductor digiti minimi complete fused tetanus would best be…

A: The correct answer to this question is option C i.e. by increasing the frequency with which the…

Q: Which of the following muscle nerve pairings in incorrect? Gluteus minimus - Superior gluteal nerve…

A: Every muscle is innervated by different types of nerves so that they may give instructions for the…

Q: What are the five reflex arc components for the Biceps Tendon Reflex? Receptor, the type of the…

A: A reflex refers to the prompt and involuntary movement of the body parts in reply to a stimulus. A…

Q: The conduction velocities for the Achille's tendon reflex and the Patellar tendon reflex should be…

A: Reflex arc is the process of reflex formation. It consists of a parallel (or sensory) sensor, one or…

Q: Name and describe the major muscles of dorsiflexion.?

A: The action of dorsiflexion happens as your foot and shin come together. It involves the lower body…

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: Any stimulus above a maximal stimulus will elicit

A: Any stimulus above a maximal stimulus will elicit the same maximal response. Therefore, OPTION 4 -…

Q: Golgi tendon organs are located in ________ and cause muscle to __________ in the tendon reflex.…

A: The GTO or Golgi tendon organ is referred to as a sensory receptor organ that tends to sense any…

Q: Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the…

A: The facial nerve is also known as the seventh cranial nerve or CN VII nerve. It originates from the…

Q: Explain why the stretch reflex is an important concept to understand in order to enhance your…

A: Introduction :- The process of taking food and using it for growth, metabolism, and repair. The…

Q: Draw the entire pathway for skeletal muscle action from the spinal cord until the end of the…

A: Both neurons and skeletal muscle cells are electrically excitable, indicating that they are able to…

Q: What do you mean by innervation of smooth muscles?

A: Smooth muscles are present all over the body. They are involuntary in functions and are non-striated…

Q: Jason is a 21-year-old university student presenting with pain in the back of his right thigh. The…

A: The type of physical trauma that is caused to the body by an external force is referred to as…

Q: a) Describe the processes involved in the knee-jerk reflex and explain why it is called a…

A: A reflex, also known as a reflex action, is an immediate, involuntary reaction to a stimuli in…

Q: What would happen without input from gamma motor neurons? A) Information about velocity would…

A: Intrafusal fibers are specialized muscle fibers. They are found in the muscle spindles. Muscle…

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: Jason is a 21-year-old university student presenting with pain in the back of his right thigh. The…

A: The organs comprising of the mesodermally derived muscle tissue that function to assist the skeletal…

Q: Fill in the blank:  The sensory stretch receptors of the knee-jerk reflex are located in the…

A: A reflex action is the involuntary response of the body against an external stimulus. It is…

Q: A tap on the patellar tendon at the knee joint is used to test the knee-jerk reflex. All of the…

A: The knee-jerk reflex is a simple test that involves quick muscle movement through rapid nerve…

Q: The ocular muscle has a very fast response time compared to the gastrocnemius and soleus muscles.…

A: The gastrocnemius muscles are the calf muscles that can be easily visualized as the bulging part of…

Q: When a muscle fiber is stimulated with repeated stimuli, the contraction force is summed due to: a)…

A: INTRODUCTION Summation is that the . occurrence of additional twitch contractions before the…

Q: Jason is a 21-year-old university student presenting with pain in the back of his right thigh. The…

A: A sprain is a stretch or tear of ligaments, that is, the hard strips of fibrous tissue that connect…