Skeletal Muscle Structure and Function Quiz

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What are the three arrangements of muscle?

Pennate, Convergent, Fusiform

What are the two main forms of muscle?

Striated and non-striated

What is the mechanical efficiency of skeletal muscle approximately?

≈20%

Name one function of skeletal muscle.

Movement, Posture, Stability of joints, Heat generation (shivering) Signup and view all the answers

What are the four layers of connective tissue in skeletal muscle?

Epimysium, Perimysium, Endomysium, Surrounding the entire muscle Signup and view all the answers

What type of lever is the fulcrum located between the load and the effort force?

1st class lever Signup and view all the answers

What is the term for the involuntary twitching of fascicles?

Fasciculation Signup and view all the answers

Which type of muscle fibers stain heavily due to lots of mitochondria?

Type I slow twitch fibers Signup and view all the answers

What process involves the accumulation of metabolites due to reduced blood flow to the muscle during contraction?

Isometric contraction Signup and view all the answers

What type of muscle contraction involves constant tension and variable muscle length?

Isotonic contraction Signup and view all the answers

What is the potential implication of more common fasciculation?

Neurological problems such as motor neuron disease Signup and view all the answers

In which type of muscle contraction does the muscle exert a force while being extended?

Eccentric Signup and view all the answers

Where are Type IIa fast twitch or intermediate fibers found?

Sprinting muscles (e.g., the gastrocnemius in the leg) Signup and view all the answers

What is the response of isotonic contraction?

Variable muscle length Signup and view all the answers

What is the role of fixators in muscle groups?

Stabilizes action of prime movers (e.g., fixes non-moving joint when prime mover acting over 2 joints) Signup and view all the answers

What are the two main forms of muscle?

Striated and non-striated Signup and view all the answers

What is the mechanical efficiency of skeletal muscle approximately?

≈20% Signup and view all the answers

Name one function of skeletal muscle.

Movement, Posture, Stability of joints, Heat generation (shivering) Signup and view all the answers

What are the three arrangements of muscle?

Pennate, Convergent, Fusiform Signup and view all the answers

What are the four layers of connective tissue in skeletal muscle?

Epimysium, Perimysium, Endomysium Signup and view all the answers

Skeletal Muscle Structure and Function Quiz

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Questions and Answers

What are the three arrangements of muscle?

What are the two main forms of muscle?

What is the mechanical efficiency of skeletal muscle approximately?

Name one function of skeletal muscle.

What are the four layers of connective tissue in skeletal muscle?

What type of lever is the fulcrum located between the load and the effort force?

What is the term for the involuntary twitching of fascicles?

Which type of muscle fibers stain heavily due to lots of mitochondria?

What process involves the accumulation of metabolites due to reduced blood flow to the muscle during contraction?

What type of muscle contraction involves constant tension and variable muscle length?

What is the potential implication of more common fasciculation?

In which type of muscle contraction does the muscle exert a force while being extended?

Where are Type IIa fast twitch or intermediate fibers found?

What is the response of isotonic contraction?

What is the role of fixators in muscle groups?

What are the two main forms of muscle?

What is the mechanical efficiency of skeletal muscle approximately?

Name one function of skeletal muscle.

What are the three arrangements of muscle?

What are the four layers of connective tissue in skeletal muscle?

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