Chemical Events during Muscle Contraction: The **power stroke** is initiated by the release of _____ from the myosin head.

_____ is absent in smooth muscle but present in skeletal muscle
Hint: Micro-component
During muscle contraction:- the _____ and I bands, and distance between Z bands, are shortened- the A band remains the same length
After the power stroke in muscle contraction, binding of a new _____ molecule causes detachment of the myosin head from the actin filament
Once a _____ change is induced in the dihydropyridine receptor, it opens the ryanodine receptor which releases Ca2+.
_____ enters smooth muscle cells via L-type Ca2+ channels and binds to calmodulin, leading to smooth muscle contraction.
Slow twitch muscle fibers are _____ due to increased myoglobin concentration
Hint: (color)
Fast twitch muscle fibers are _____ due to decreased myoglobin concentration
Hint: (color)
_____ motoneuron lesions may cause hypo-reflexia
_____ motoneuron lesions may cause decreased tone
Resting Membrane Potential
Flashcards
Action Potential Generation and Propagation
Flashcards
Neuromuscular Junction
Flashcards
Skeletal Muscle Contraction
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Smooth Muscle Physiology
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Cardiac Muscle Properties
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Muscle Metabolism and Fatigue
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Motor Unit Function
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Neurotransmitters and Receptors
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Electrophysiological Measurements
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These Nerve and Muscle Physiology flashcards are designed for NEET-PG Physiology preparation, using active recall to help you retain high-yield concepts, clinical correlations, and commonly tested facts. Each card prompts you to retrieve information from memory rather than passively reviewing notes, which research shows leads to significantly better exam performance.
The 92 cards in this deck cover the most important topics in Nerve and Muscle Physiology, including key mechanisms, diagnostic criteria, treatment protocols, and clinical pearls that frequently appear in NEET-PG examinations. Cards are organised by chapter so you can focus on specific areas or work through the entire topic systematically.
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