Download - Muscle System
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Muscle System
Lizzy Menden Savannah Chase
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Learning Target!
Compare skeletal, smooth, and cardiac muscle cells and tissue. (knowledge)
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True or False!1. Skeletal is the only type of muscle cell that does not
have striations?
False! Smooth muscle is the only type of muscle cell that does not have striations. Cardiac and Skeletal Muscle have striations.
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Match the Muscle Cell Type to its Description!
1. Smooth Muscle Cells
2. Cardiac Muscle Cells
3. Skeletal Muscle Cells
• Irregular, Branching150 µm
• CylindricalUp to 30 cm
• Pointed on Ends30-200 µm
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Multiple Choice!
1. What muscle cell type has multiple nuclei per cell?
a. Smoothb. Cardiacc. Skeletal
Smooth muscle has 1 nuclei per cell. Cardiac muscle cells have 1-2 nuclei per cell.
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Match the Muscle Cell Type to the Contraction Description!
1. Smooth Muscle Cells
2. Cardiac Muscle Cells
3. Skeletal Muscle Cells
• Involuntary and Slow
• Voluntary, Quick, and Forceful
• Involuntary and Rhythmic
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Determine the Location of Muscle Cells in the Body!
Word Bank: Cardiac Muscle Cell, Skeletal Muscle Cell,Smooth Muscle Cell
1.
3.
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Match the Muscle Cell name to the Picture of the Cell!
Word Bank: Cardiac Muscle Cell, Skeletal Muscle Cell,Smooth Muscle Cell
Cardiac Muscle Cell
Smooth Muscle Cell
Skeletal Muscle Cell1. 2. 3.
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Match each Muscle Tissue Type with its Function!
Physiology• Facial expression, allows
you to stand upright, aids in skeletal movement, communication, heat production
• Contraction of hollow internal organs
• Rhythmic contraction of the heart
Anatomy1. Smooth Muscle Tissue
2. Cardiac Muscle Tissue
3. Skeletal Muscle Tissue
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Match each Muscle Tissue Type with its Function!
Anatomy1. Connective Tissue
2. Nervous Tissue
3. Blood
Physiology• Supplies nutrients to the
muscle tissue
• Transmits impulses and messages
• Forms tendons that attach to bones: holding skeleton together, forms fascia (separates, covers, and holds muscles in place
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Learning Target!
Identify the major parts of a skeletal muscle and the function of each part. (reasoning)
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•Sarcolemma•Muscle Fiber•Sarcoplasmic Reticulum•Fascia•Fascicle•Filaments•Nucleus•Endomysium•Skeletal Muscle•MyoFibril•Blood Vessel•Axon of Neuron•Tendon•Epimysium•Perimysium
•Bone
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Word Bank: Sarcomere, Myosin Filament, Myofibril, Sarcolemma, Sarcoplasmic Reticulum, Actin Filament
*Note: #5 is pointing to the larger blue circles; #6 is pointing to the smaller red circles.
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Label the Diagram of a Sarcomere!
Word Bank: I-Band, Z-Line, Sarcomere, Myosin Filament, A-Band, Actin Filament
line line
2 231
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Nerve cell body
Myofibril
Axon
Axon Branches
Motor End Plate
Folded Sarcolemma
Synaptic Cleft
Acetylcholine
Synaptic Vesicles
Mitochondria
Word Bank: Axon Branches, Motor End Plate, Axon, Synaptic Vesicles, Synaptic Cleft, Myofibril, Folded Sarcolemma,
Mitochondria, Acetylcholine, Nerve Cell Body
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Match the Structures to their Functions in a Muscle Contraction!
1. Sarcoplasmic Reticulum
2. Filaments
3. Mitochondria
4. Synaptic Vesicles
• Stores acetylcholine
• Protein strands important during contractions
• Produces proteins, stores Calcium for contractions
• Provides energy
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Match the Structures to their Functions in a Muscle Contraction!
1. Synaptic Cleft
2. Acetylcholine
3. Axon
4. Motor End Plate
• Specialized area of Sarcolemma that receives messages
• Carries messages towards the myofibril
• Gap between muscle fiber and axon
• Chemical that causes a contraction
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Learning Target!
State the source of energy, cause, steps, and final results of a muscle fiber contraction.
(knowledge)
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Multiple Choice!
1. What chemical is released from a neuron to stimulate a muscle contraction?a. Calcium-Nitrateb. Acetylcholinec. Phosphorusd. Sodium Thiosulfate
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Multiple Choice!
1. What is the energy source for a muscle contraction?a. ATPb. Glucosec. Batteriesd. DNA
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Put the Steps of Skeletal Muscle Contraction in Order!
_2__ Myosin-Actin Binding (Actin and Myosin bind using energy from cleaved ATP)
_5__ ATP Cleavage (Return to high energy state, cycle will repeat if Calcium is still available)
_1__ Action Potential (Action potential releases Acetycholine and Calcium)
_4__ ATP Binding and Actin-Myosin Release_3__ Power Stroke (Actin and Myosin slide by each
other which shortens the sarcomere and releases ADP + P)
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Multiple Choice!
1. What three physical changes take place in skeletal muscle when it contracts?a. Shortens in lengthb. Increases in lengthc. Decreases in diameterd. Increases in diametere. Softensf. Hardensg. It turns red
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Fill in the Blank!1. Muscles cramp because there is a shortage of
(water/ATP) causing your muscle to stay contracted.
2. After you die, when your body stiffens due to a sustained muscle contraction, you are suffering from (Rigor mortis/ Muscular dystrophy) which results from a high supply of Calcium ions and a lack of ATP production.
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Learning Target!
Interpret data from an electomyogram. (skill)
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True or False!
1. An electromyogram, or EMG, is a graphical recording of electrical activity within muscles.
True!
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Interpret an EMG Graph!1. Which letter depicts a muscle contraction?2. Which letter depicts a muscle at rest?
BA
A B
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Learning Target!
Determine the effects of fatigue on muscle action. (skill)
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Interpret Data from an Experiment!Trial Number of
Actions in 20 Seconds
1 60
2 60
3 51
4 48
5 41
6 42
7 34
8 21
9 18
10 17
1. Did fatigue affect the participant in the experiment?Yes or No
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Learning Target!
Investigate the relationship between bones, tendons, and muscles in producing body
movements. (reasoning)
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Multiple Choice!
1. What are tendons made of?a. Loose connective tissueb. Stretchy musclec. Dense connective tissued. Adipose tissue
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True or False!
1. Tendons are important in body movement because they link muscle to muscle.
False! Tendons attach muscle to bone.
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Multiple Choice!
1. What do ligaments attach?a. Muscle to tendonb. Muscle to musclec. Bone to muscled. Bone to bone
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Learning Target!
Define the terms action, origin, and insertion. (knowledge)
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Matching!
1. Action
2. Origin
3. Insertion
• When muscle is attached to the relatively immovable end of the bone
• Abduction of the leg
• The end of the muscle that is attached to the movable bone
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Learning Target!
Explain the role of prime movers, antagonists, and synergists in producing body movements.
(reasoning)
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Fill in the Blank!
1. The muscle known as the (bulk muscle/ prime mover) provides most of the movement.
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True or False!
1. Synergists are muscles that assist the prime mover, and antagonists oppose the action of the prime mover.
True!
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Fill in the Blank!
1. “For every muscle action there is an opposing action.” This is why we say muscles (act like a row boat/ work in pairs).
Hint! For the test, be able to explain the phrase “muscles work in pairs.”
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Learning Target!
Use predetermined criteria and strategies for naming muscles. (reasoning)
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Naming Muscles!1. The Transversus Abdominis is named for its ______________ .
Word Bank: Direction, Location, Shape, Relative Size, Action, Location of Attachments, Number of Origins
DirectionThe muscle fibers of the Transversus Abdominis run perpendicular to the midline. Rectus and Oblique are also directional terms. Rectus meaning parallel to the midline and Oblique meaning diagonal to the midline.
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Naming Muscles!1. The Extensor Digitorum is named for its ______________ .
Word Bank: Direction, Location, Shape, Relative Size, Action, Location of Attachments, Number of Origins
ActionThe Extensor Digitorum is named because it helps perform the action of extending the digits. Levator and Flexor are also action terms. Levator meaning to elevate and Flexor meaning to flex.
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Naming Muscles!1. The Teres Major is named for its ______________ .
Word Bank: Direction, Location, Shape, Relative Size, Action, Location of Attachments, Number of Origins
Relative Size
The Teres Major is named because it is large in comparison to its similar but smaller muscle, the Teres Minor. In addition to Major and Minor, other size terms include Maximus, Minimus, Medius, Longus, and Brevis. Maximus means largest, Minimus means smallest, Longus means longest, and Brevis means shortest.
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Naming Muscles!1. The Deltoid is named for its _____________.
Word Bank: Direction, Location, Shape, Relative Size, Action, Location of Attachments, Number of Origins
Shape
The Deltoid is named because its triangular shape. Rhomboid, Serratus, and Platysma are also shape terms. Rhomboid meaning Diamond shaped, Serratus meaning Saw toothed, and Platysma meaning Flat.
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Naming Muscles!1. The Biceps Brachii is named for its ______________ .
Word Bank: Direction, Location, Shape, Relative Size, Action, Location of Attachments, Number of Origins
Number of Origins
The Biceps Brachii is named because it has two origins. Tri is another term for number of origins meaning three origins.
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Naming Muscles!1. The Sternocleidomastoid is named for its
__________________.
Word Bank: Direction, Location, Shape, Relative Size, Action, Location of Attachments, Number of Origins
Location of attachmentsThe Sternocleidomastoid is named because of its attachment points at the Sternum, Clavicle, and Mastoid Process. Brachio and Radialis are also location of attachments terms. Brachio meaning attached at the upper arm and Radialis meaning attached at the radius.
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Naming Muscles!1. The Vastus Lateralis is named for its ___________ .
Word Bank: Direction, Location, Shape, Relative Size, Action, Location of Attachments, Number of Origins
Location
The Vastus Lateralis is named for its lateral location in the body. Frontalis, Anterior, and Medialis are also location terms. Frontalis means near the frontal bone, Anterior means toward the anterior, and Medialis means located toward the midline.
Midline
Lateral
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Learning Target!
Identify major skeletal muscles and their actions. (reasoning)
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• Occipitalis• Frontalis
•Orbicularis Oculi• Corrugator
Supercilli• Nasalis
• Orbiculris Oris• Depressor Anguli Oris• Mentalis• Masseter
• Sternocleido-mastoid
• Epicranial Aponeurosis• Temporalis
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Word Bank: Zygomaticius Major, Buccinator, Risorius, Platysma, Levator Labii Superioris, Zygomaticus Minor, Levator
Anguli Oris
Label a Diagram of the Face!
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Word Bank: Trapezius, Deltoid, Infraspinatus, Teres Minor, Teres Major, Rhomboid Major, Latissimus Dorsi, External
Oblique, Levator Scapulae, Supraspinatus
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Word Bank: Trapezius, Deltoid, Infraspinatus, Teres Minor, Teres Major, Rhomboid Major, Latissimus Dorsi, External
Oblique, Levator Scapulae, Supraspinatus, Internal Oblique
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Word Bank: Serratus Anterior, Deltoid, Internal Intercostal, Pectoralis Major, Pectoralis Minor, Linea Alba, External Oblique, Aponeurosis of external Oblique, Transversus
Abdominus, Rectus Abdominis, Internal Oblique
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Word Bank• Triceps Brachii• Extensor Carpi Radialis Longus• Extensor Carpi
Radialis Brevis• Extensor Digitorum• Extensor Carpi
Ulnaris
Identify the Muscles of the Arm
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Identify the Muscles of the Arm
Word Bank:• Biceps Brachii• Brachialis
• Brachioradialis• Palmaris Longus
• Flexor Carpi Radialis• Flexor Carpi Ulnaris
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Word Bank: Peroneus Longus, Tibialis Anterior, Soleus, Gastrocnemius, Achilles Tendon, Flexor Digitorum Longus
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Word Bank:• Tensor Fasciae Latae
• Sartorius• Rectus Femoris• Vastus Lateralis• Vastus Medialis
• Iliacus/Psosas Major• Pectinius
• Adductor Longus• Adductor Magnus
• Gracilis
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Word Bank:• Gluteus Medius• Gluteus Maximus• Iliotibial Band• Biceps Femoris• Gastrocnemius
• Semimembranosus• Semitendinosus
• Gracilis• Adductor Magnus
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Match the Function to the Facial Muscles
1. Sheetlike Tendon ___2. Closes Jaw ___3. Compresses Nostrils ___4. Raises Corner of mouth ___5. Compresses cheeks inward ___6. Draws angle of mouth downward
___7. Rotates head, Flexes head, Elevates
Sternum ___8. Closes & protrudes lips ___9. Chewing, strongest muscle ___10. Raise Eyebrows ___11. Closes Eye ___
a) Frontalis and Occipitalisb) Masseterc) Sternocliedomastoidd) Epicranial aponeurosise) Temporalisf) Orbicularis Oculig) Nasalish) Zygomaticusi) Buccinatorj) Orbicularis Orisk) Platysma
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Match the Function to the Torso Muscles
1. Moves the Head
2. Moves the Pectoral Girdle
3. Makes up the Abdominal Wall
4. Moves the Arm
• Deltoid, Pectoralis Major, Supraspinatus, Infraspinatus, Teres Major, Teres Minor, Latissimus Dorsi
• Trapezius, Levator Scapulae, Rhomboid Major, Pectoralis Minor, Internal Intercostals, Serratus Anterior
• External Oblique, Rectus Abdominis, Internal Oblique, Transversus Abdominis,
• Sternocliedomastoid
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Match the Function to the Arm Muscles
1. Moves the Arm
2. Moves the Forearm
3. Moves the Hand
• Biceps brachii, Brachialis, Triceps Brachii, Brachioradialis
• Deltoid, Pectoralis Major• Palmaris Longus, Flexor
Carpi Radialis, Flexor Carpi Ulnaris, Extensor Carpi Radialis Longus, Extensor Carpi Radialis Brevis, Extensor Digitorum, Extensor Carpi Ulnaris
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Match the Function to the Leg Muscles
1. Moves the thigh
2. Moves Lower Leg
3. Moves Foot
• Sartorius, Rectus Femoris, Vastus Lateralis, Vastus Medialis, Semitendinosus, Semimembranosus, Sartorius, Biceps Femoris
• Tibialis Anterior, Soleus, Gastrocnemius
• Tensor Fasciae Latae, Iliacus/Psoas Major, Pectinius, Adductor Longus, Adductor Magnus, Gracilis, Gluteus Medius, Gluteus Maximus
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Good Luck!