Bonus What is the main function of the quadriceps femoris group:
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When a muscle fiber contracts, the I bands diminish in size,…
When a muscle fiber contracts, the I bands diminish in size, the H zones disappear, and the A bands move closer together but do not diminish in length.
The elbow joint is an example of a(n) ________ joint.
The elbow joint is an example of a(n) ________ joint.
A ________ is a rigid structure that moves on a fixed point.
A ________ is a rigid structure that moves on a fixed point.
Bonus The long strap-like muscle on the anterior thigh is th…
Bonus The long strap-like muscle on the anterior thigh is the ________ muscle.
The light and dark banding pattern send in striated muscle,…
The light and dark banding pattern send in striated muscle, like skeletal muscle, originate from:
Isometric contractions produce:
Isometric contractions produce:
_____ – cylindrical structure that consists of myofilaments;…
_____ – cylindrical structure that consists of myofilaments; actively shorten; when they contract the entire muscle cell shortens
Thick filaments are composed of myosin, troponin, and tropom…
Thick filaments are composed of myosin, troponin, and tropomyosin.
Bonus The ________ muscle is the strongest jaw muscle.
Bonus The ________ muscle is the strongest jaw muscle.