Define agonist (prime mover) and antagonist muscles. Describe and explain the differences that you observe in...
Define agonist (prime mover) and antagonist muscles. Describe and explain the differences that you observe in the EMGs recorded from the two muscles during different actions
Homework Answers
Antagonist and agonist muscles occur in pairs. As one muscle relaxes the other contracts. Which muscle relaxes or contracts depends on the movement. Consider a bicep tricep antagonistic pair. When the arm bends, biceps are antagonistic and triceps are agonistic. As trice contracts, bicep relaxes. In EMG when the contracting muscle shows closely placed peaks , the relaxing muscle shows an almost straight line with very small peaks.
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Define agonist (prime mover) and antagonist muscles. Describe
and explain the differences that you observe in...
10. In the skeletal system...which structures act as levers and which as fulcrums? What is a...
10. In the skeletal system...which structures act as levers and which as fulcrums? What is a lever? Name and define the two forces that act on a lever? What is required to achieve motion? 11. Briefly describe the difference between the different classification of levers. (I would draw something that helps you remember cach definition). Give an example of each. 12. Muscles are arranged for total coordination. Define the following terms and describe their function. Prime mover Agonist Antagonist Synergist...
6. (a) Describe a forearm movement in which the brachialis is the antagonist: (b) Identify the...
6. (a) Describe a forearm movement in which the brachialis is the antagonist: (b) Identify the prime mover in this movement: 7. () Describe the actions that take place in the neck when you nod your head up and down as it saying 'yes': (b) Describe the action being performed when a person sticks out their thumb to hitch a ride
questions 2-4 1-4 Week 10 Topics: Muscle actions and naming conventions, major muscles of the human...
questions 2-4
1-4 Week 10 Topics: Muscle actions and naming conventions, major muscles of the human body including origin, insertion, action, and innervation Reading: Chapter 10: The Muscular System Learning Objectives: 1. Define the following terms, prime mover, synergist, antagonist, origin, insertion, aponeurosis, sphincter 2. Describe the functions of prime movers, antagonists, and Synergists 3. List the criteria used in naming muscles. Provide examples of cach, 4. Name and identify key muscles of the human body, giving the origin, insertion,...
6. Draw the Neuromuscular junction and label the Following structures. Include the three substances that interfere...
6. Draw the Neuromuscular junction and label the Following structures. Include the three substances that interfere with normal muscle contraction (both toxic and therapeutic). ID synapse, neurotransmitter synaptic cleft, axon terminal, synaptic bulb, synaptic vesicles, motor end plate, acetylcholine receptors, Junctional folds, acetylcholinesterase. 7. Describe or draw each of the contractile proteins (actin/myosin) and regulator proteins (troponin & tropomyosin). Explain the set up and how each participate in muscle contraction. Name the protein that attaches the sarcomere to the sarcolemma...
What is myasthenia gravis? Describe what part of the neuromuscular junction is impacted and how that...
What is myasthenia gravis? Describe what part of the neuromuscular junction is impacted and how that is associated with the presentation of the patient. The drug neostigmine is used to both diagnose and treat MG. How does it work and what is its target? What is rigor mortis? What causes it? How long does it last? 31. What muscle is the prime mover of inspiration? Three structures pass through this prime mover and at three different spinal cord levels. Name...
Physiology: Describe what happens during a heartbeat. Include what muscles contract when and what causes those...
Physiology: Describe what happens during a heartbeat. Include what muscles contract when and what causes those contractions, what happens to blood within the heart during different parts of the beat, and what you would observe on an ECG during each part of the beat.
Question 11. During a review of competition video, you observe that Mr Q is unable to...
Question 11. During a review of competition video, you observe that Mr Q is unable to maintain the orientation of his trunk during the later stages of his run (excessive extension in his lumbar spine and excessive lateral tilting of his pelvis). It appears that he is unable to use his trunk and hip abductor muscles to prevent that from happening. You decide to assess the control of Mr Q’s trunk muscles. a) List one (1) test that you would...
1. a. Explain the differences between maximum capacity and effective capacity. b. How would you define...
1. a. Explain the differences between maximum capacity and effective capacity. b. How would you define the maximum capacity for the front desk of a hotel? What is meant by the effective capacity? Define the difference in these two terms relative to the number of customers that can be checked into the hotel in a given period.
1. Explain the differences between an intron and an exon? (4pts) 2. Why do you see...
1. Explain the differences between an intron and an exon? (4pts) 2. Why do you see different size bands in Homozygous recessive, Homozygous dominant and Heterozygous student sample in PTC experiment? (4pts) 3. In the PTC lab, we determined the frequency of two alleles, the "+allele" and the "- allele" in a sample population (our class). What was the difference between these two alleles? (4pts) 4. Define evolution be sure to include in your definition what actually evolves. (Spts) 5....
Please explain why T/F answer? 1 pts Question 7 The advantage to being the late mover...
Please explain why T/F answer?
1 pts Question 7 The advantage to being the late mover or follower strategy is that you learn from the mistakes that the first mover makes C True False 1 pts Question 8 Firms have to choose between two different strategies of entry one is a non-equity strategy and the other is an equity strategy C True False 1 pts Question 9 Joint ventures are considered a desirable strategy for firms that want tight control...
10. In the skeletal system...which structures act as levers and which as fulcrums? What is a lever? Name and define the two forces that act on a lever? What is required to achieve motion? 11. Briefly describe the difference between the different classification of levers. (I would draw something that helps you remember cach definition). Give an example of each. 12. Muscles are arranged for total coordination. Define the following terms and describe their function. Prime mover Agonist Antagonist Synergist...
6. (a) Describe a forearm movement in which the brachialis is the antagonist: (b) Identify the prime mover in this movement: 7. () Describe the actions that take place in the neck when you nod your head up and down as it saying 'yes': (b) Describe the action being performed when a person sticks out their thumb to hitch a ride
questions 2-4
1-4 Week 10 Topics: Muscle actions and naming conventions, major muscles of the human body including origin, insertion, action, and innervation Reading: Chapter 10: The Muscular System Learning Objectives: 1. Define the following terms, prime mover, synergist, antagonist, origin, insertion, aponeurosis, sphincter 2. Describe the functions of prime movers, antagonists, and Synergists 3. List the criteria used in naming muscles. Provide examples of cach, 4. Name and identify key muscles of the human body, giving the origin, insertion,...
6. Draw the Neuromuscular junction and label the Following structures. Include the three substances that interfere with normal muscle contraction (both toxic and therapeutic). ID synapse, neurotransmitter synaptic cleft, axon terminal, synaptic bulb, synaptic vesicles, motor end plate, acetylcholine receptors, Junctional folds, acetylcholinesterase. 7. Describe or draw each of the contractile proteins (actin/myosin) and regulator proteins (troponin & tropomyosin). Explain the set up and how each participate in muscle contraction. Name the protein that attaches the sarcomere to the sarcolemma...
What is myasthenia gravis? Describe what part of the neuromuscular junction is impacted and how that is associated with the presentation of the patient. The drug neostigmine is used to both diagnose and treat MG. How does it work and what is its target? What is rigor mortis? What causes it? How long does it last? 31. What muscle is the prime mover of inspiration? Three structures pass through this prime mover and at three different spinal cord levels. Name...
1. Explain the differences between an intron and an exon? (4pts) 2. Why do you see different size bands in Homozygous recessive, Homozygous dominant and Heterozygous student sample in PTC experiment? (4pts) 3. In the PTC lab, we determined the frequency of two alleles, the "+allele" and the "- allele" in a sample population (our class). What was the difference between these two alleles? (4pts) 4. Define evolution be sure to include in your definition what actually evolves. (Spts) 5....
Please explain why T/F answer?
1 pts Question 7 The advantage to being the late mover or follower strategy is that you learn from the mistakes that the first mover makes C True False 1 pts Question 8 Firms have to choose between two different strategies of entry one is a non-equity strategy and the other is an equity strategy C True False 1 pts Question 9 Joint ventures are considered a desirable strategy for firms that want tight control...
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