Elasticity recoil ability of muscle tissue T- Tubule organelle specific to muscle fibers that allows communication Motor unit a motor neuron and all of the muscle fibers it supplies Aponeurosis Indirect attachment of muscles to each other using a sheet- like tissue Orbicularis Oculi closes eyes Acetylcholine (ACh) neurotransmitter that activates the sarcolemma I band part of sarcomere with only thin filaments Platysma seen when straining the neck Contractility ability to shorten muscle tissue Synergist muscle that helps the main mover do its function Deltoid arm abduction Fascicle group of muscle cells Epimysium dense irregular CT; surrounds whole muscles Gastrocnemius and Soleus plantar flexion Slow Oxidative Fibers fibers that solely rely on cellular respiration; fatigue- resistant Isotonic muscle contraction where the length changes Hamstrings thigh extensors and knee flexors Muscle tone the idea that muscle is always somewhat activated Summation the combination of messages/action potentials onto a muscle fiber Myofibrils general name for proteins within muscle fibers Calcium chemical that allow ACh release and troponin binding Masseter mastication Buccinator sucks in cheeks Actin thin filaments Orbicularis Oris closes mouth Excitation- contraction coupling entire process of activating the NMJ to contraction of muscle M line middle part of sarcomere made of supporting proteins Relaxation period period where myosin and actin filaments are sliding back to their original positions Excitability muscle ability to respond to stimuli Perimysium dense irregular CT; fascicle level Cross- bridge cycle starts with calcium binding with troponin, and ends when they unbind Latissimus Dorsi arm extension Agonist main mover of a movement Contraction period starts when calcium binds with troponin and ends when they unbind Gluteus Maximus biggest muscle in the body; thigh extensor Tropomyosin regulatory protein that blocks binding sites on actin Tibialis Anterior dorsiflexion Fast Oxidative Fibers moderately fatigable and will normally use aerobic respiration; has ability to use some anaerobic respiration Concentric muscle contraction where muscle is shortening Eccentric muscle contraction where muscle is enlongating Sarcomere functional unit of muscle tissue Z discs structure of sarcomere that marks the ends Insertion term for ending point of muscle that will move during muscle contraction H zone part of sarcomere with only thick filaments Myosin thick filaments Sarcolemma plasma membrane for muscle cells Extensibility ability to stretch muscle tissue without damaging it External Intercostals opens ribcage for inspiration A band 'dark' zone that is made up of H zone and zone of overlap Troponin regulatory protein that binds with calcium Smooth muscle involuntary, uninucleate, and non- striated Palmaris Longus can be seen when you oppose fingers and flex wrist Latent period starts when sarcolemma is activated; ends when calcium reaches troponin Muscle fiber another name for muscle cells Pectoralis Major arm adduction Action Potential change of RMP that causes activation of a cell Neuromuscular Junction (NMJ) where the end of a motor neuron connects with the sarcolemma of a muscle cell Trapezius stabilizes and depresses/elevates scapula Sarcoplasmic Reticulum (SR) organelle specific to muscle fibers that allows for calcium release Sartorius longest muscle in the body; thigh flexion Twitch muscle contraction activated by only one action potential Isometric muscle contraction where there is no movement Frontalis raises eyebrows Internal Intercostals pushes out air for exhalation Mentalis wrinkles the chin Endomysium areolar CT; around sarcolemma of muscle fibers Zygomaticus smiling muscle Fast Glycolytic Fibers easily fatigable but good for short, powerful movements Triceps Brachii extends forearm Quadriceps thigh flexors and knee extensors Skeletal muscle voluntary, multinucleate, and striated Cardiac muscle involuntary, uninucleate, and striated Myoglobin protein within muscle cell that is responsible for holding oxygen Overload principle muscle will build up to prevent muscle damage from occurring again Sternocleidomastoid turns head laterally Tendon Indirect attachment of muscles to each other using a rope- like tissue Biceps Brachii flexes forearm Origin term for starting point of muscle that would not move during muscle contraction Antagonist muscle that does the opposite function of a main mover; example is biceps and triceps Elasticity recoil ability of muscle tissue T- Tubule organelle specific to muscle fibers that allows communication Motor unit a motor neuron and all of the muscle fibers it supplies Aponeurosis Indirect attachment of muscles to each other using a sheet- like tissue Orbicularis Oculi closes eyes Acetylcholine (ACh) neurotransmitter that activates the sarcolemma I band part of sarcomere with only thin filaments Platysma seen when straining the neck Contractility ability to shorten muscle tissue Synergist muscle that helps the main mover do its function Deltoid arm abduction Fascicle group of muscle cells Epimysium dense irregular CT; surrounds whole muscles Gastrocnemius and Soleus plantar flexion Slow Oxidative Fibers fibers that solely rely on cellular respiration; fatigue- resistant Isotonic muscle contraction where the length changes Hamstrings thigh extensors and knee flexors Muscle tone the idea that muscle is always somewhat activated Summation the combination of messages/action potentials onto a muscle fiber Myofibrils general name for proteins within muscle fibers Calcium chemical that allow ACh release and troponin binding Masseter mastication Buccinator sucks in cheeks Actin thin filaments Orbicularis Oris closes mouth Excitation- contraction coupling entire process of activating the NMJ to contraction of muscle M line middle part of sarcomere made of supporting proteins Relaxation period period where myosin and actin filaments are sliding back to their original positions Excitability muscle ability to respond to stimuli Perimysium dense irregular CT; fascicle level Cross- bridge cycle starts with calcium binding with troponin, and ends when they unbind Latissimus Dorsi arm extension Agonist main mover of a movement Contraction period starts when calcium binds with troponin and ends when they unbind Gluteus Maximus biggest muscle in the body; thigh extensor Tropomyosin regulatory protein that blocks binding sites on actin Tibialis Anterior dorsiflexion Fast Oxidative Fibers moderately fatigable and will normally use aerobic respiration; has ability to use some anaerobic respiration Concentric muscle contraction where muscle is shortening Eccentric muscle contraction where muscle is enlongating Sarcomere functional unit of muscle tissue Z discs structure of sarcomere that marks the ends Insertion term for ending point of muscle that will move during muscle contraction H zone part of sarcomere with only thick filaments Myosin thick filaments Sarcolemma plasma membrane for muscle cells Extensibility ability to stretch muscle tissue without damaging it External Intercostals opens ribcage for inspiration A band 'dark' zone that is made up of H zone and zone of overlap Troponin regulatory protein that binds with calcium Smooth muscle involuntary, uninucleate, and non- striated Palmaris Longus can be seen when you oppose fingers and flex wrist Latent period starts when sarcolemma is activated; ends when calcium reaches troponin Muscle fiber another name for muscle cells Pectoralis Major arm adduction Action Potential change of RMP that causes activation of a cell Neuromuscular Junction (NMJ) where the end of a motor neuron connects with the sarcolemma of a muscle cell Trapezius stabilizes and depresses/elevates scapula Sarcoplasmic Reticulum (SR) organelle specific to muscle fibers that allows for calcium release Sartorius longest muscle in the body; thigh flexion Twitch muscle contraction activated by only one action potential Isometric muscle contraction where there is no movement Frontalis raises eyebrows Internal Intercostals pushes out air for exhalation Mentalis wrinkles the chin Endomysium areolar CT; around sarcolemma of muscle fibers Zygomaticus smiling muscle Fast Glycolytic Fibers easily fatigable but good for short, powerful movements Triceps Brachii extends forearm Quadriceps thigh flexors and knee extensors Skeletal muscle voluntary, multinucleate, and striated Cardiac muscle involuntary, uninucleate, and striated Myoglobin protein within muscle cell that is responsible for holding oxygen Overload principle muscle will build up to prevent muscle damage from occurring again Sternocleidomastoid turns head laterally Tendon Indirect attachment of muscles to each other using a rope- like tissue Biceps Brachii flexes forearm Origin term for starting point of muscle that would not move during muscle contraction Antagonist muscle that does the opposite function of a main mover; example is biceps and triceps
(Print)
recoil ability of muscle tissue
organelle specific to muscle fibers that allows communication
a motor neuron and all of the muscle fibers it supplies
Indirect attachment of muscles to each other using a sheet-like tissue
closes eyes
neurotransmitter that activates the sarcolemma
part of sarcomere with only thin filaments
seen when straining the neck
ability to shorten muscle tissue
muscle that helps the main mover do its function
arm abduction
group of muscle cells
dense irregular CT; surrounds whole muscles
plantar flexion
fibers that solely rely on cellular respiration; fatigue-resistant
muscle contraction where the length changes
thigh extensors and knee flexors
the idea that muscle is always somewhat activated
the combination of messages/action potentials onto a muscle fiber
general name for proteins within muscle fibers
chemical that allow ACh release and troponin binding
mastication
sucks in cheeks
thin filaments
closes mouth
entire process of activating the NMJ to contraction of muscle
middle part of sarcomere made of supporting proteins
period where myosin and actin filaments are sliding back to their original positions
muscle ability to respond to stimuli
dense irregular CT; fascicle level
starts with calcium binding with troponin, and ends when they unbind
arm extension
main mover of a movement
starts when calcium binds with troponin and ends when they unbind
biggest muscle in the body; thigh extensor
regulatory protein that blocks binding sites on actin
dorsiflexion
moderately fatigable and will normally use aerobic respiration; has ability to use some anaerobic respiration
muscle contraction where muscle is shortening
muscle contraction where muscle is enlongating
functional unit of muscle tissue
structure of sarcomere that marks the ends
term for ending point of muscle that will move during muscle contraction
part of sarcomere with only thick filaments
thick filaments
plasma membrane for muscle cells
ability to stretch muscle tissue without damaging it
opens ribcage for inspiration
'dark' zone that is made up of H zone and zone of overlap
regulatory protein that binds with calcium
involuntary, uninucleate, and non-striated
can be seen when you oppose fingers and flex wrist
starts when sarcolemma is activated; ends when calcium reaches troponin
another name for muscle cells
arm adduction
change of RMP that causes activation of a cell
where the end of a motor neuron connects with the sarcolemma of a muscle cell
stabilizes and depresses/elevates scapula
organelle specific to muscle fibers that allows for calcium release
longest muscle in the body; thigh flexion
muscle contraction activated by only one action potential
muscle contraction where there is no movement
raises eyebrows
pushes out air for exhalation
wrinkles the chin
areolar CT; around sarcolemma of muscle fibers
smiling muscle
easily fatigable but good for short, powerful movements
extends forearm
thigh flexors and knee extensors
voluntary, multinucleate, and striated
involuntary, uninucleate, and striated
protein within muscle cell that is responsible for holding oxygen
muscle will build up to prevent muscle damage from occurring again
turns head laterally
Indirect attachment of muscles to each other using a rope-like tissue
flexes forearm
term for starting point of muscle that would not move during muscle contraction
muscle that does the opposite function of a main mover; example is biceps and triceps
