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Muscular system practice questions
Terms in this set (26)
A bundle of muscle fibers is called a ____________.
The protective wrapping over the entire muscle or muscle body is called ____________.
The segment of a myofibril that is called a sarcomere runs from ___________ to ____________.
Z-line to z-line
A motor unit is made up of _______________________
a motor neuron and the muscle fibers it innervates
Which muscle enables you to pucker your lips for a kiss?
Each muscle fiber is directly surrounded by connective tissue called the ____________
The thick myofilament of a sarcomere is composed of a protein called ______
The functional contractile unit within muscle fiber is the:
Chest and shoulder muscles that move the arm at the shoulder joint have insertions on the
Muscles that move the thigh at the hip joint have origins on the:
Anterior thigh muscles serve as prime movers of:
Extension of the leg at the knee joint
What is the name of the proteins that make up the thin filaments in the sarcomere?
Contractions are generated by:
Sliding of thin filaments past thick filaments
An example of a isometric contraction would be:
What is the name of the site of a muscle that does not move?
Wat is the name of the muscles found between the ribs and cause the ribs to move during breathing?
The prime mover of the shoulder flexion is the
The muscle responsible for turning and flexing the neck is the
What are the three types of muscle tissue?
Smooth, cardiac, and skeletal
Which muscle type is found in your stomach, bladder, and intestines?
Which muscles are involuntary?
Smooth and cardiac
When a muscle contracts, it ________
Skeletal muscles are attached to what?
Muscles always work in ______
Tendons connect ________ to ______.
Muscle to bone
What is a overstretched muscle/tendon called?
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