Muscle Metabolism and Fatigue — Flashcards

Slow twitch muscle fibers are _____ due to increased myoglobin concentration

Hint: (color)

Work done in a preloaded muscle contraction is _____ than afterloaded muscle contraction

During muscle contraction:- the _____ and I bands, and distance between Z bands, are shortened- the A band remains the same length

Fast twitch muscle fibers perform less _____ due to decreased mitochondria

What kind of muscle fibres have more diameter? (fast or slow twitch)_____

After the power stroke in muscle contraction, binding of a new _____ molecule causes detachment of the myosin head from the actin filament

Intracellular and extracellular _____ concentrations are the major determinants of the RMP.

Soleus has _____ twitch fibres while Gastrocnemius has _____ twitch type fibres

Chemical Events during Muscle Contraction: No answer _____

_____ is absent in smooth muscle but present in skeletal muscle

Hint: Micro-component