Free online courseMusculoskeletal System
Duration of the online course: 7 hours and 1 minutes
New course
Explore the musculoskeletal system in-depth with this free online course. Learn about muscle structure, neuromuscular junctions, muscle mechanics, and various muscle fiber types.
Course Description
The "Musculoskeletal System" course offers an immersive journey into the intricacies of muscles and their functioning within the human body. Spanning over a meticulously detailed duration of 7 hours and 1 minute, this course is designed for those steeped in the field of health, specifically focusing on detailed anatomical knowledge.
The course delves deeply into the musculoskeletal system, beginning with an exploration of muscle structure and function. It meticulously examines the biological compositions that permit muscle movement and strength. Students will engage with the fundamental essentials that form the bedrock of musculoskeletal anatomy.
One of the core segments is the detailed analysis of sarcomere structure, including the pivotal roles of actin. The sarcomere, being the basic unit of striated muscle tissue, is explored thoroughly to understand how muscle contractions and overall muscle movements originate.
Continuing the journey, the course navigates through the nuances of the neuromuscular junction, a critical site where nerve signals transition into muscle action. The course details neuromuscular transmission in its initial part, offering an essential foundation for comprehending how nerve cells communicate with muscle fibers.
The subsequent parts dissect the processes of excitation-contraction coupling and the sliding filament theory. These discussions elucidate the mechanisms by which signals induce muscle contraction and the intricate interplay of muscle proteins during the process. Furthermore, neuromuscular junction pathologies are examined, providing insights into disorders that impair these vital connections.
Beyond the cellular and molecular details, the course also covers muscle mechanics, including insights into muscle twitch, summation, and different types of contractions. These topics enable learners to understand the dynamic behavior of muscles in response to varying stimuli. Discussions encompass the phenomenon of multiple motor unit summation, elaborating on how muscle strength can be modulated by the recruitment of additional motor units.
The classification of muscle fibers into Type I and Type II (including Type IIa) fibers is another highlight of the course. These sections discuss the distinct functional and metabolic characteristics that define slow-twitch and fast-twitch fibers and their relevance in different physical activities.
The final topic explores smooth muscle, offering a contrast to the striated muscle types discussed earlier. This segment rounds off the comprehensive examination of muscle tissues, considering their roles in various involuntary movements within the body.
This course, though yet unreviewed, promises a thorough and detailed educational experience for those interested in the health field and particularly in anatomy. It stands as a valuable resource for understanding the multifaceted components of the musculoskeletal system.
Conteúdo do Curso
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Video class: Musculoskeletal System | Muscle Structure and Function
0h31m
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Exercise: Which of the following is NOT a characteristic of skeletal muscle tissue?
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Video class: Musculoskeletal System | Sarcomere Structure: Actin
0h36m
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Exercise: What is the primary role of the protein titin in muscle structure?
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Video class: Musculoskeletal System | Neuromuscular Junction | Neuromuscular Transmission: Part 1
0h31m
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Exercise: What neurotransmitter is primarily involved in the neuromuscular junction and is synthesized from two components?
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Video class: Musculoskeletal System | Neuromuscular Junction | Excitation Contraction Coupling: Part 2
0h43m
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Exercise: What specific event leads to the development of an end plate potential in a muscle cell?
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Video class: Musculoskeletal System | Neuromuscular Junction | Sliding Filament Theory: Part 3
0h44m
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Exercise: During skeletal muscle contraction, what specifically leads to the movement of tropomyosin, allowing myosin to bind to actin filaments?
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Video class: Musculoskeletal System | Neuromuscular Junction Pathologies: Part 4
0h32m
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Exercise: What happens to the muscle cell's membrane potential during the repolarization phase of an action potential?
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Video class: Musculoskeletal System | Muscle Mechanics | Twitch, Summation,
0h35m
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Exercise: What determines the graded muscle response in skeletal muscles?
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Video class: Musculoskeletal System | Muscle Mechanics | Multiple Motor Unit Summation
0h26m
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Exercise: In the context of muscle mechanics, what is meant by 'threshold stimulus'?
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Video class: Musculoskeletal System | Muscle Mechanics | Types of Contractions
0h35m
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Exercise: During an isometric contraction, what characteristic of the muscle remains unchanged?
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Video class: Musculoskeletal System | Type I Muscle Fibers
0h22m
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Exercise: Which of the following statements about type one skeletal muscle fibers (red slow oxidative fibers) is correct?
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Video class: Musculoskeletal System | Type II Muscle Fibers | Type IIa
0h35m
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Exercise: What is a characteristic of Type 2a muscle fibers that distinguishes them from Type 2x muscle fibers?
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Video class: Musculoskeletal System | Smooth Muscle
0h45m
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Exercise: Which of the following statements is true regarding smooth muscle characteristics?
This free course includes:
7 hours and 1 minutes of online video course
Exercises to train your knowledge
Certificate of course completion
100% free, from content to certificate
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