Muscular System
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on it to display the answer.
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| show | movement
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| show | mobility
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| The muscular system produces ____ to maintain the body's temperature | show 🗑
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| show | Skeletal, smooth, & cardiac muscles
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| show | contraction
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| show | shorten or contract
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| Muscles ONLY ____ to bring about movement | show 🗑
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| Muscle cells are called | show 🗑
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| show | fibers
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| Skeletal muscles are ____________ muscles | show 🗑
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| show | Tendons
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| Tendons anchor _______ to _____ and other muscles | show 🗑
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| show | connective
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| show | aponeurosis
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| Tendons are a continuation of _____ _____ that covers muscle | show 🗑
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| show | periosteum
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| show | origin
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| show | originates
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| show | stationary
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| The __________ is the opposite end of the origin and crosses a joint | show 🗑
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| show | insertion
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| show | The protagonist
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| The protagonist muscle is the ______ mover | show 🗑
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| show | antagonist
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| The antagonist brings about the ______ of the primary muscles movement | show 🗑
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| A _________ is a secondary muscle/s that help bring about the desired movement of the primary mover | show 🗑
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| The synergist is a _________ muscle that brings about the desired movement | show 🗑
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| show | frontal
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| The ___________ coordinates the movements of muscles | show 🗑
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| show | coordinates
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| Muscle tone is the slight __________ of muscle that is present most of the time | show 🗑
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| The slight contraction of muscle that is present most of the time is responsible for | show 🗑
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| ____________ is heat production from normal muscle metabolism | show 🗑
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| show | heat
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| Thermogenesis produces heat in the muscles by decomposition reactions & ________ | show 🗑
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| Increased activity increases | show 🗑
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| Proprioception is also known as _______ _____ | show 🗑
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| Muscle sense is also known as | show 🗑
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| show | muscle and the joint
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| show | stretch
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| show | proprioception
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| What four organ systems are essential for proper functioning of the muscular system? | show 🗑
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| show | stretch
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| Stretch receptors detect changes in the _______ of the muscle | show 🗑
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| show | ATP
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| show | primary
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| show | secondary
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| Creatine phosphate and _______ are muscles secondary source of energy | show 🗑
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| show | Glycogen
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| Glycogen is broken down into _______ for cellular respiration | show 🗑
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| show | H2O
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| Hemoglobin carries O2 in the ______ | show 🗑
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| show | muscle
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| Myoglobin makes the muscles a darker ___ | show 🗑
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| show | myoglobin
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| When the oxygen need is greater than the supply, it creates _______ ____ | show 🗑
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| show | need, supply
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| During oxygen debt glucose is converted into _____ ____ in anaerobic respiration | show 🗑
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| Lactic acid is converted to _______ _____ in the liver | show 🗑
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| show | Recovery oxygen uptake
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| Recovery oxygen uptake is the result of _______ debt | show 🗑
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| show | muscle
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| The neuromuscular junction is where you will find the _____ nerve ending for each muscle fiber | show 🗑
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| show | neuromuscular
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| show | enlarged end
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| show | motor end plate
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| show | acetylcholine
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| show | isotonic
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| Isotonic exercise involves muscle contraction _____ movement | show 🗑
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| Exercise that involves muscle contraction WITHOUT movement is called | show 🗑
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| show | without
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| show | oxygen
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| When oxygen is not present in contraction muscles, _____ ____ is formed and that causes fatigue | show 🗑
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| The term oxygen debt refers to a lack of oxygen during the process of ____ _________ | show 🗑
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| show | oxygen debt
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| In the neuromuscular junction, the ____ _______ is the end of the motor neuron | show 🗑
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| show | synapse
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| show | sarcolemma
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| show | axon terminal
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| IN the neuromuscular junction, cholinesterase is contained within the __________ | show 🗑
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| show | cholinesterase
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| The units of contraction within a muscle fiber are called | show 🗑
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| The sarcomeres are the units of _________ within a muscle fiber | show 🗑
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| show | calcium ions
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| show | actin & myosin
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| show | sodium, potassium
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| show | Sodium, into
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| show | negative, positive
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| During repolarization of a muscle fiber, ______ ions rush ______ the cell | show 🗑
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| show | acetylcholine
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| In the sliding filament mechanism, _______ filaments pull actin toward the center of the sarcomere | show 🗑
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| In the sliding filament mechanism, the inhibiting proteins are troponin and _________ | show 🗑
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| show | inhibiting
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| The cell membrane of the muscle fiber is called the | show 🗑
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| show | receptor
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| The sarcolemma contains ____________ that deactivates acetylcholine | show 🗑
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| The _______ is the junction between the axon terminal and the muscle fiber sarcolemma | show 🗑
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| show | synaptic cleft
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| show | sarcomere
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| Groups of sarcomeres are called | show 🗑
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| show | sarcomeres
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| _____ is also known as thin filaments | show 🗑
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| show | thin
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| _____ is thin contractile protein that interacts with myosin | show 🗑
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| show | myosin
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| Myosin is also known as _______ filaments | show 🗑
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| _____ is also known as thick filaments | show 🗑
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| The protein backbone that anchors actin filaments is called the _-____ | show 🗑
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| The z-line is the protein backbone that anchors ____ filaments | show 🗑
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| The z-line forms the end boundaries of the ________ | show 🗑
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| The end boundaries of the sarcomere are formed by the _-____ | show 🗑
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| The protein that anchors myosin to the z-line is called | show 🗑
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| show | myosin
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| show | troponin & tropomyosin
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| show | sarcoplasmic reticulum
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| The sarcoplasmic reticulum is the ________ reticulum of the muscle cell | show 🗑
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| show | calcium
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| Calcium ions are stored in the _________ _______ of the muscle cell | show 🗑
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| Sarcolemma polarization requires ___ | show 🗑
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| show | sarcolemma
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| show | T-tubules
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| show | sliding
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| Reducing the angle of a joint is called | show 🗑
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| show | Extension
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| show | Inversion
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| Tilting the foot/ankle laterally is called | show 🗑
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| show | Supination
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| show | Pronation
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| Lateral flexion is ____ bending | show 🗑
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| Rotating around a joint is called | show 🗑
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| show | Circumduction
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| show | circular
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| show | Abduction
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| show | away
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| Bringing a part toward the midline is called | show 🗑
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| Adduction is when you bring a part _____ from the midline | show 🗑
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| show | Retraction
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| show | Toward
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| show | Protraction
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| Protraction is when you bring a part _____ from the midline or anteriorly | show 🗑
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| show | Translation
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| Decreasing the angle of the ankle joint is called | show 🗑
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| Translation is when something is moving on a ____ ____ | show 🗑
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| Increasing the angle of the ankle is called | show 🗑
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| show | decreasing
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| show | increasing
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| To flex the arm the _____ ______ contract to pull the forearm up | show 🗑
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| show | Triceps Brachii
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| show | shortens & pulls
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| show | tendons
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| An antagonist to a muscle that flexes the arm would be a muscle that _______ the arm | show 🗑
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| The part of the brain that coordinates voluntary movement is the __________ | show 🗑
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| The specific part of the brain that initiates muscles contraction is the _____ ____ | show 🗑
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| During exercise, the blood flow within a muscles is increased by | show 🗑
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| Synergistic muscles are those that have the same ________ | show 🗑
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| show | without
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| show | with
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| show | calcium
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| show | parietal
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| show | tendon
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| The deltoid is the shoulder muscle that ______ the arm | show 🗑
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| Good muscle tone improves ____________ and helps maintain posture | show 🗑
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| In the muscle when glycogen is used for energy, it is first broken down to | show 🗑
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| The axon terminal is the end of the _____ neuron | show 🗑
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| show | sodium
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| Increase cell respiration produces more heat, ___ and carbon dioxide | show 🗑
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| During exercise, increased respiration is necessary to exhale excess _______ _______ | show 🗑
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| show | hemoglobin
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| show | depolarization
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| During depolarization, the inside of the sarcolemma becomes | show 🗑
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| Antagonistic muscles are on _______ sides of a joint | show 🗑
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| show | tetanus
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| show | sustained
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| show | muscles
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| ___________ causes depolarization of the sarcolemma | show 🗑
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| show | contractions
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| Muscle contraction requires delivery of oxygen by the ___________ system | show 🗑
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| _________ muscles work together | show 🗑
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| The _____________ muscle plantar flexes the foot | show 🗑
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| show | masseter
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| show | medius
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| The __________ muscle raise the shoulder | show 🗑
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| show | iron
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| The opposite of flexion is | show 🗑
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| show | flexion
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| The opposite of abduction is | show 🗑
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| The opposite of adduction is | show 🗑
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| show | supination
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| show | pronation
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| show | Dorsiflexion
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| show | Plantar Flexion
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| Uncontrolled rapid nerve impulses that prolong a muscles contraction is called | show 🗑
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| ________ ions are more abundant inside the cell during polarization | show 🗑
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| _______ releases energy from ATP, then pulls the actin | show 🗑
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| When a muscle fiber is relaxed, the sarcolemma has a _______ charge outside and a ______ charge inside | show 🗑
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| The concentrations of ions are maintained by ________ & _______ pumps during polarization, depolarization, and repolarization | show 🗑
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| The structural units of contractions are | show 🗑
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| show | myosin & actin
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| The stretching of muscles is detected by ______ ________ | show 🗑
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| show | Heart & respiratory
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