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MUSCLE FIBERS
LONG, SLENDER CELLS THAT MAKE UP MUSCLES
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FASCIA
THE SHEET OF FIBROUS CONNECTIVE TISSUE THAT COVERS, SUPPORTS, AND SEPERATES MUSCLE OR GROUPS OF MUSCLES
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MYOFASCIAL
PERTAINING TO THE MUSCLE TISSUE AND FASCIA
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TENDON
NARROW BAND OF NONELASTIC, DENSE, FIBROUS CONNECTIVE TISSUE THAT ATTACHES A MUSCLE TO A BONE
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ACHILLES TENDON
ATTACHES THE GASTROCNEMIUS MUSCLE (THE MAJOR PART OF THE CALF OF THE LEG) TO THE HEEL BONE
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APONEUROSIS
A SHEETLIKE FIBROUS CONNECTIVE TISSUE THAT RESEMBLES A FLATTENED TENDON THAT SERVES AS A FASCIA TO BIND MUSCLES TOGETHER OR AS A MEANS OF CONNECTING MUSCLE TO BONE
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THREE TYPES OF MUSCLE TISSUE
SKELETAL, SMOOTH, AND MYOCARDINAL
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SKELETAL MUSCLES
ARE ATTACHED TO THE BONES OF THE SKELETON AND MAKE BODY MOTIONS POSSIBLE
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VOLUNTARY MUSCLES
WE HAVE CONSCOIUS CONTROL OVER THESE MUSCLES (SKELETAL MUSCLES ARE KNOWN AS THESE)
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STRIATED (STRIPED) MUSCLES
UNDER A MICROSCOPE, THE DARK AND LIGHT BANDS IN THE MUSCLE FIBERS CREATE A STRIPED APPEARANCE (SKELETAL MUSCLES ARE KNOWN AS THIS)
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LOCATION OF SMOOTH MUSCLES
LOCATED IN THE WALLS OF THE INTENAL ORGANS SUCH AS THE DIGESTIVE TRACK, BLOOD VESSELS, AND DUCTS LEADING FROM THE GLANDS
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FUNCTION OF SMOOTH MUSCLES
MOVE AND CONTROL THE FLOW OF FLUIDS THROUGH THESE STRUCTURES
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INVOLUNTARY MUSCLES
THEY ARE UNDER THE CONTROL OF THE AUTONOMIC NERVOUS SYSTEM AND ARE NOT UNDER VOLUNTARY CONTROL (SMOOTH MUSCLES ARE KNOWN AS THIS)
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UNSTRIATED MUSCLES
THEY DO NOT HAVE DARK AND LIGHT BANDS THAT PRODUCE THE STRIPED APPEARANCE THAT IS SEEN IN STRIATED (SMOOTH MUSCLES ARE KNOWN AS THIS)
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VISCERAL MUSCLES
ARE FOUND IN LARGE INTERNAL ORGANS (EXCEPT THE HEART) AND IN HOLLOW STRUCTURES SUCH AS THOSE OF THE DIGESTIVE AND URINARY SYSTEM
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VISCERAL
RELATING TO THE INTERNAL ORGANS
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MYOCARDIAL MUSCLES
LIKE STRIATED SKELETAL MUSCLE IN APPEARANCE, BUT IS SIMILAR TO SMOOTH MUSCLE IN THAT ITS ACTION IS INVOLUNTARY (FORM THE MUSCULAR WALLS OF THE HEART - ALSO KNOWN AS MYOCARDIUM OR CARDIAC MUSCLE)
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MUSCLE INNERVATION
THE STIMULATION OF A MUSCLE BY AN IMPULSE TRANSMITTED BY A MOTOR NERVE
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NEUROMUSCULAR
PERTAINING TO THE RELATIONSHIP BETWEEN NERVE AND MUSCLE
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ANTAGONISTIC PAIRS
ALL MUSCLES ARE ARRANGED THIS WAY
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ANTAGONISTIC
WORKING IN OPPOSITION TO EACH OTHER
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CONTRACTION
TIGHTENING OF A MUSCLE. AS MUSCLE CONTRACTS IT GETS SHORTER AND THICKER CAUSING THE BELLY (CENTER) OF THE MUSCLE TO ENLARGE.
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RELAXATION
OCCURS WHEN A MUSCLE RETURNS TO ITS ORIGINAL FORM. AS THE MUSCLE RELAXES IT BECOMES LONGER AND THINNER AND THE BELLY IS NO LONGER ENLARGED.
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