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Published	02/12/2025	– Consists of all the muscles of the body– Majority are voluntary skeletal muscles
Published	02/12/2025	are specialized contractile cellsorganized into tissues that move body parts or alter theshape temporarily (reduce circumference of all or part) ofint…
Published	02/12/2025	Types of Muscle
Published	02/12/2025	voluntary somatic musclethat makes up the gross skeletal muscles,moving/stabilizing bones, other structures; eyeballs
Published	02/12/2025	isotonic)
Published	02/12/2025
Published	02/12/2025	involuntary visceralmuscle that forms most walls of the heart (myocardium),adjacent parts of vessels (aorta), and pumps blood
Published	02/12/2025	Skeletal striated muscle
Published	02/12/2025	Cardiac striated muscle
Published	02/12/2025	involuntary visceralmuscle that forms part of the walls of most vessels andhollow organs (viscera), moving substances throughthem by coordinated seque…
Published	02/12/2025	Smooth muscle (unstriated)
Published	02/12/2025	Functions of muscle
Published	02/12/2025	Properties of Muscle
Published	02/12/2025	– Fleshy, reddish, contractile portions
Published	02/12/2025	Skeletal Muscles have ___(color)____ noncontractile protions(tendons)
Published	02/12/2025	composed mainly of organized collagen bundles, thatprovide a means of attachment
Published	02/12/2025	Tendon
Published	02/12/2025	attachment of muscle by thin, broad sheetconposed of parallel bundles of collagen fibers
Published	02/12/2025	– fibrous band○ Interdigitating fibers of aponeurosis○ Stretchable
Published	02/12/2025	naming skeletal muscle
Published	02/12/2025	Naming Skeletal Muscles According to:Location
Published	02/12/2025	around cranium (occipitofrontalis)
Published	02/12/2025	front of tibia
Published	02/12/2025	Naming Skeletal Muscles According to: shape
Published	02/12/2025	Deltoid:
Published	02/12/2025	Trapezius:
Published	02/12/2025	Serratus:
Published	02/12/2025	Rhomboideus
Published	02/12/2025	circular
Published	02/12/2025	Naming of skeletal muscles according to size
Published	02/12/2025	largest;
Published	02/12/2025	longest
Published	02/12/2025	large
Published	02/12/2025	smallest
Published	02/12/2025	short
Published	02/12/2025	small
Published	02/12/2025	Naming skeletal muscle according to direction of fibers
Published	02/12/2025	parallel to long axis
Published	02/12/2025	Arrangement of Fascicles (‘Shape’ based on Snell)
Published	02/12/2025	strap-like
Published	02/12/2025	feather-like
Published	02/12/2025	Pennate Muscles
Published	02/12/2025	spindle-shaped, with a round,thick belly with tapered ends
Published	02/12/2025	parallel fibers with aponeurosis
Published	02/12/2025	arise from a broad area andconverge to form a single tendon
Published	02/12/2025	four equal sides
Published	02/12/2025	surrounding andable to contract or close a bodily passage or opening
Published	02/12/2025	more than 1
Published	02/12/2025	Number of Origins
Published	02/12/2025	originates from sternum andclavicle and inserts on mastoid process of temporal bone
Published	02/12/2025	flexes wrists
Published	02/12/2025	flexes thumb
Published	02/12/2025	adducts thigh
Published	02/12/2025	extends fingers
Published	02/12/2025	Origin
Published	02/12/2025	Insertion
Published	02/12/2025	Types of Muscle Contraction
Published	02/12/2025	Reflexive Contraction
Published	02/12/2025	results in movement after amuscle stretch produced by tapping a tendonwith a reflect hammer
Published	02/12/2025	Tonic Contraction
Published	02/12/2025	muscle tone; no movement
Published	02/12/2025	Phasic Contraction
Published	02/12/2025	muscle changes length in relation tothe production of movement
Published	02/12/2025	– muscle length remains the sameand no movement occurs but the force ormuscle tension is increase above tonic levels toresist gravity or other antagon…
Published	02/12/2025	movement occurs as aresult of the muscle shortening
Published	02/12/2025	Lifting a cup, pulling the door
Published	02/12/2025	Eccentric Contraction
Published	02/12/2025	Example: walking, running, setting objects down
Published	02/12/2025	main muscles for producingspecific movement of the body
Published	02/12/2025	? which function is concentric
Published	02/12/2025	which function is isometric
Published	02/12/2025	steadies the proximal part of the limb whilemovements are occurring in distal part
Published	02/12/2025	compliments action of prime mover byassisting directly or indirectly for a particular movement
Published	02/12/2025	a muscle that opposes the action ofanother muscle; eccentric
Published	02/12/2025	Functions of Muscles
Published	02/12/2025	○ Loss of power of movement○ Muscles are unable to contract○ Damage to motor neural pathways
Published	02/12/2025	inability to wrinkle brow, close eye,drooping eyelids, drooping corner ofmouth, and an asymmetrical smile
Published	02/12/2025	spontaneous or involuntarycontraction of muscles
Published	02/12/2025	localized muscular spasm
Published	02/12/2025	generalized muscular spasm
Published	02/12/2025	○ Muscles not used for a long timebecomes thin and weak○ Reduction in size (muscular wasting)○ Seen in paralysis & generalized debility
Published	02/12/2025	○ Excessive use of a particular muscleresults in better development○ Common w/ body builders and athletes○ Increased muscle growth from training
Published	02/12/2025	○ Capable of limited generation○ Large regions damaged
Published	02/12/2025	Muscular Dystrophy
Published	02/12/2025	how many muscles in the body
Published	02/12/2025	longest muscle
Published	02/12/2025	smallest muscle, located in the ear
Published	02/12/2025	biggest muscle
Published	02/12/2025	generates muscle contraction
Published	02/12/2025	structural unit
Published	02/12/2025	functional unit of muscle
Published	02/12/2025	Motor unit
Published	02/12/2025	contractile elements in the muscle fibers
Published	02/12/2025	acts to maintain contactbetween the articular surfaces of the joint itcrosses (i.e. resists dislocating forces)
Published	02/12/2025	the more oblique a muscle’s lineof pull is oriented to the bone it moves, the morecapable it is of rapid and effective movement
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