Chapter 20: The Muscular System/Massage j j j j
j Therapy Principles And Practice 5th Edition j j j j j
(Salvo) j
Skeletal Muscles and Related Fascial structures - correct answer- What is the basic anatomy
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of the muscular system?
j j j j
Movement, Posture Maintenance, and Heat production - correct answer- What are the 3
j j j j j j j jj j j j j j
j important functions of the skeletal muscles? j j j j j
Movement - correct answer- Muscles contract to produce movement as a whole (locomotion)
j j jj j j j j j j j j j j
j or in parts
j j
j How many skeletal muscles are there? - correct answer- 640 skeletal muscles
j j j j j j jj j j j j
Posture Maintenance - correct answer- contraction of skeletal muscles maintains body
j j j jj j j j j j j j
j posture, joint stability, and muscle tone. j j j j j
Heat Production (Thermogenesis) - correct answer- heat is produced during contractions
j j j j jj j j j j j j
j and makes up to 85% of our body heat
j j j j j j j j
Excitation, Contraction, Extensibility, and Elasticity - correct answer- What are the four
j j j j j j jj j j j j j
j properties that help provide functions of movement? j j j j j j
Excitation (irritability) - correct answer- A muscles ability to respond to a stimulus; Can be any
j j j jj j j j j j j j j j j j j
j change in the environment, inside or outside the body; Contraction of Relaxing
j j j j j j j j j j j
Contraction - correct answer- When the ends of muscles and the contractile units within
j j jj j j j j j j j j j j j
j muscles pull toward its center; occurs even if muscle length does not change or if the muscle
j j j j j j j j j j j j j j j j
j becomes longer with outside forces j j j j
Extensibility - correct answer- the muscle's ability to stretch or lengthen when a force is
j j jj j j j j j j j j j j j j
j applied
, j Elasticity - correct answer- The ability of a material to bounce back after being disturbed
j jj j j j j j j j j j j j j
Muscle fibers - correct answer- Muscle cells; distinct thread-like shape; Often run the length of
j j j jj j j j j j j j j j j j
j the muscle
j
j Sarcolemma - correct answer- Muscle fiber or cell covering j jj j j j j j j
j Sacroplasma - correct answer- Intercellular fluid within muscle fibers j jj j j j j j j
Sacroplasmic Reticulum (SR) - correct answer- Network of interconnected hollow tubes;
j j j j jj j j j j j j
j store and release calcium ions for contraction.
j j j j j j
Transverse tubules (T-tubules) - correct answer- Indentations that travel into the cell; extend
j j j j jj j j j j j j j j
j transversely across the sacroplasmic reticulum at right angles to the length of the cell; allows j j j j j j j j j j j j j j
j impulses to travel deep into the cell during contraction
j j j j j j j j
Myofibrils - correct answer- Microscopic protein filaments that makeup muscle cells; lay side-
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by-side and run the length of each muscle fiber; Each one contains sarcomeres
j j j j j j j j j j j j
j Antagonist - correct answer- Meaning 'to struggle against' j jj j j j j j
j Aponeurosis - correct answer- Meaning 'To become; sinew' j jj j j j j j
j Atrophy - correct answer- Meaning 'lacking, without, not; to grow'
j jj j j j j j j j
j Concentric - correct answer- Meaning 'toward the middle' j jj j j j j j
j Eccentric - correct answer- Meaning 'away from the middle'j jj j j j j j j
j Fatigue - correct answer- Meaning 'to tire'
j jj j j j j
j Fascia - correct answer- Meaning 'strong central structural unit or band'
j jj j j j j j j j j
j Fasciculus - correct answer- Meaning 'little bundle' j jj j j j j
j Flaccid - correct answer- Meaning 'flabby'
j jj j j j
j Hypertrophy - correct answer- Meaning 'over, above, excessive;to grow' j jj j j j j j j
j Isometric - correct answer- Meaning 'same or equal measure'
j jj j j j j j j
j Isotonic - correct answer- Meaning 'same or equal tension'
j jj j j j j j j
j Myo - correct answer- Meaning 'muscle'
j jj j j j
j Therapy Principles And Practice 5th Edition j j j j j
(Salvo) j
Skeletal Muscles and Related Fascial structures - correct answer- What is the basic anatomy
j j j j j j jj j j j j j j
of the muscular system?
j j j j
Movement, Posture Maintenance, and Heat production - correct answer- What are the 3
j j j j j j j jj j j j j j
j important functions of the skeletal muscles? j j j j j
Movement - correct answer- Muscles contract to produce movement as a whole (locomotion)
j j jj j j j j j j j j j j
j or in parts
j j
j How many skeletal muscles are there? - correct answer- 640 skeletal muscles
j j j j j j jj j j j j
Posture Maintenance - correct answer- contraction of skeletal muscles maintains body
j j j jj j j j j j j j
j posture, joint stability, and muscle tone. j j j j j
Heat Production (Thermogenesis) - correct answer- heat is produced during contractions
j j j j jj j j j j j j
j and makes up to 85% of our body heat
j j j j j j j j
Excitation, Contraction, Extensibility, and Elasticity - correct answer- What are the four
j j j j j j jj j j j j j
j properties that help provide functions of movement? j j j j j j
Excitation (irritability) - correct answer- A muscles ability to respond to a stimulus; Can be any
j j j jj j j j j j j j j j j j j
j change in the environment, inside or outside the body; Contraction of Relaxing
j j j j j j j j j j j
Contraction - correct answer- When the ends of muscles and the contractile units within
j j jj j j j j j j j j j j j
j muscles pull toward its center; occurs even if muscle length does not change or if the muscle
j j j j j j j j j j j j j j j j
j becomes longer with outside forces j j j j
Extensibility - correct answer- the muscle's ability to stretch or lengthen when a force is
j j jj j j j j j j j j j j j j
j applied
, j Elasticity - correct answer- The ability of a material to bounce back after being disturbed
j jj j j j j j j j j j j j j
Muscle fibers - correct answer- Muscle cells; distinct thread-like shape; Often run the length of
j j j jj j j j j j j j j j j j
j the muscle
j
j Sarcolemma - correct answer- Muscle fiber or cell covering j jj j j j j j j
j Sacroplasma - correct answer- Intercellular fluid within muscle fibers j jj j j j j j j
Sacroplasmic Reticulum (SR) - correct answer- Network of interconnected hollow tubes;
j j j j jj j j j j j j
j store and release calcium ions for contraction.
j j j j j j
Transverse tubules (T-tubules) - correct answer- Indentations that travel into the cell; extend
j j j j jj j j j j j j j j
j transversely across the sacroplasmic reticulum at right angles to the length of the cell; allows j j j j j j j j j j j j j j
j impulses to travel deep into the cell during contraction
j j j j j j j j
Myofibrils - correct answer- Microscopic protein filaments that makeup muscle cells; lay side-
j j jj j j j j j j j j j j
by-side and run the length of each muscle fiber; Each one contains sarcomeres
j j j j j j j j j j j j
j Antagonist - correct answer- Meaning 'to struggle against' j jj j j j j j
j Aponeurosis - correct answer- Meaning 'To become; sinew' j jj j j j j j
j Atrophy - correct answer- Meaning 'lacking, without, not; to grow'
j jj j j j j j j j
j Concentric - correct answer- Meaning 'toward the middle' j jj j j j j j
j Eccentric - correct answer- Meaning 'away from the middle'j jj j j j j j j
j Fatigue - correct answer- Meaning 'to tire'
j jj j j j j
j Fascia - correct answer- Meaning 'strong central structural unit or band'
j jj j j j j j j j j
j Fasciculus - correct answer- Meaning 'little bundle' j jj j j j j
j Flaccid - correct answer- Meaning 'flabby'
j jj j j j
j Hypertrophy - correct answer- Meaning 'over, above, excessive;to grow' j jj j j j j j j
j Isometric - correct answer- Meaning 'same or equal measure'
j jj j j j j j j
j Isotonic - correct answer- Meaning 'same or equal tension'
j jj j j j j j j
j Myo - correct answer- Meaning 'muscle'
j jj j j j
