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Study sets matching "quiz muscles 2"

19 terms
Muscles 2
Occipitofrontalis
Orbicularis oris
platysma
orbicularis oculi
Retracts scalp, elevates eyebrows
closes lips
depresses lower lip
blinking
Occipitofrontalis
Retracts scalp, elevates eyebrows
Orbicularis oris
closes lips
47 terms
Chapter 9: Muscles 2
myofibril
muscle fiber
neuromuscular junction
motor neuron
during a contraction, sliding occurs in every sarcomere along…
myofibrils are attached to the sarcolemma at each z line and…
each skeletal muscle fibers is controlled by the nervous syst…
what is nerve cell that propagates an electrical impulse from…
myofibril
during a contraction, sliding occurs in every sarcomere along…
muscle fiber
myofibrils are attached to the sarcolemma at each z line and…
106 terms
Muscles Part 2
antagonist
aponeuroses
insertion
isometric contraction
muscle that reverses, or opposes, the action of another muscle
fibrous or membranous sheet connecting a muscle and the part…
movable attachment of a muscle
contraction in which the muscle does not shorten (the load is…
antagonist
muscle that reverses, or opposes, the action of another muscle
aponeuroses
fibrous or membranous sheet connecting a muscle and the part…
40 terms
Q2 Anatomy Muscles
pectoralis major
pectoralis major action
external intercostals
internal intercostals
-Origin: Clavicular head, anterior surface of medial half of…
abducts and medially rotates humerus, draws scapula anteriorl…
-Origin: inferior border of rib above ... -Insertion: superior b…
-Origin: superior border of rib below ... -Insertion: inferior b…
pectoralis major
-Origin: Clavicular head, anterior surface of medial half of…
pectoralis major action
abducts and medially rotates humerus, draws scapula anteriorl…
42 terms
Muscles (Week 2)
Gluteus Maximus
Gluteus Medius
Gluteus Minimus
Quadratus femoris
Origin: ilium (dorsal)... Insertion: femur (gluteal tuberosity)…
Origin: ilium (superiolateral)... Insertion: femur (greater troc…
(Similar to caudofemoralis on cat)... Origin: ilium (dorsal), sa…
Origin: ischium (tuberosity)... Insertion: femur (between trocha…
Gluteus Maximus
Origin: ilium (dorsal)... Insertion: femur (gluteal tuberosity)…
Gluteus Medius
Origin: ilium (superiolateral)... Insertion: femur (greater troc…
25 terms
Leg Muscles (Grp 2)
gluteus maximus
gluteus medius
iliotibial tract or tendon (fascia lata)
sartorius
prime mover for extension of thigh; laterally rotates and abd…
abducts & medially rotates thigh; critical in walking
steadies the hip and knee laterally (arrows in red)
flexes, abducts, laterally rotates thigh
gluteus maximus
prime mover for extension of thigh; laterally rotates and abd…
gluteus medius
abducts & medially rotates thigh; critical in walking
34 terms
muscles, muscles pt 2
orbicularis oris
zygomaticus
occipitofrontails
orbicularis oculi
Function: closes and protrudes lips. (kisser)... Origin: maxilla…
Function: smile.... Origin: zygomatic.... Inserstion: skin at angle…
Function: raises eyebrow and wrinkles forehead.... Origin: occip…
Function: close eyes.... Origin: maxilla, frontal and lacrimal.…
orbicularis oris
Function: closes and protrudes lips. (kisser)... Origin: maxilla…
zygomaticus
Function: smile.... Origin: zygomatic.... Inserstion: skin at angle…
25 terms
Cat Muscles list 2
Xiphihumeralis
Pectoralis major
Pectoralis minor
External oblique
new
Xiphihumeralis
Pectoralis major
10 terms
Anterior Trunk Muscles 2
Latissimus Dorsi
Latissimus Dorsi
Trapezius
Deltoid
Latissimus Dorsi
Latissimus Dorsi
58 terms
Practical 2: Lower muscles
anterior thigh muscles
sartorius (a)
sartorius (i)
sartorius (o)
sartorius; rectus femoris; vastus lateralis; vastus intermedi…
flexes femur; knee(long ass muscle)
pes anserinus
aiis
anterior thigh muscles
sartorius; rectus femoris; vastus lateralis; vastus intermedi…
sartorius (a)
flexes femur; knee(long ass muscle)
8 terms
Muscles 2
atrophy
hypertrophy
myocele
myolysis
underdevelopment, decrease, or loss of muscle tissue
overdevelopment of muscle tissue
hernia of muscle tissue
loss of muscle tissue
atrophy
underdevelopment, decrease, or loss of muscle tissue
hypertrophy
overdevelopment of muscle tissue
Muscles of the body 2
Frontalis
Zygomaticus
Masseter
Temporalis
superficial to frontal bone
extends from cheekbones to corners of the mouth
Frontalis
superficial to frontal bone
Zygomaticus
extends from cheekbones to corners of the mouth
15 terms
Muscles 2
Visceral Muscles
Muscle Dev. Origin
Somatic Muscles
Extrinsic Ocular Muscles
Internal... Splanchnic layer of the lateral plate of mesoderm... De…
Mesoderm, except iris (ectoderm w/ nervous)
Axial Muscles... Arise from somatic layer of the lateral plate m…
Gives ALL vertebrates the ability to rotate eyeballs... 6 muscle…
Visceral Muscles
Internal... Splanchnic layer of the lateral plate of mesoderm... De…
Muscle Dev. Origin
Mesoderm, except iris (ectoderm w/ nervous)
24 terms
muscles section 2
sartorius
tensor fasciae latae
rectus femoris
vastus lateralis
1
1
1
1
sartorius
1
tensor fasciae latae
1
13 terms
Muscles 2
Motor neuron
Neuromuscular junction
Motor unit
All or non principal
Nerve cell that carries the electrical message to the muscle…
The point where the motor neuron connects with a muscle
The motor neuron and muscle it connects with ... -Nerve cell tha…
Individual muscle fiber with contract to their fullest extent…
Motor neuron
Nerve cell that carries the electrical message to the muscle…
Neuromuscular junction
The point where the motor neuron connects with a muscle
47 terms
muscles set 2
psoas major
iliacus
quadratus lumborum
gluteus maximus
psoas major
iliacus
38 terms
Muscles 2
sliding filament theory
number of cross bridge bonds formed
rachet
the origin
force generated when myosin heads change shape after they bon…
total force is proportional to
change shape
thick filaments move towards what
sliding filament theory
force generated when myosin heads change shape after they bon…
number of cross bridge bonds formed
total force is proportional to
30 terms
Muscles ~ Muscles Day 2
What are the 3 types of muscle?
What is the general structure of a mus…
What is the longest muscle in the body?
What bigger units are muscle fibers a…
Skeletal, muscle, and cardiac.
Muscle fibers tend to be long and thin.
The sartorius muscle, which is a leg muscle.
Motor units, which are motor neurons that target multiple mus…
What are the 3 types of muscle?
Skeletal, muscle, and cardiac.
What is the general structure of a mus…
Muscle fibers tend to be long and thin.
12 terms
Muscles 2
sartorius
gracilis
tensor fasciae latae
Vastus lateralis & medialis
O- anterior superior iliac spine... I- medial proximal tibia... F-…
O- pubis... I- medial proximal tibia... F- abduction & medial rotat…
O- connective tissue over glutues medius... I- iliotibialtract... F…
O- l- greater trochanter, intertrochanteric line, linea asper…
sartorius
O- anterior superior iliac spine... I- medial proximal tibia... F-…
gracilis
O- pubis... I- medial proximal tibia... F- abduction & medial rotat…
29 terms
Rat Muscles- 2
Sternomastoid muscle
Clavotrapezius muscle
Masseter
Pectoralis major
muscle 1
Muscle 7
muscle 8
Muscle 1
Sternomastoid muscle
muscle 1
Clavotrapezius muscle
Muscle 7
43 terms
Muscles 2
Action of semimembranosus
Action of semitendinosus
Action of extensor carpi radialis long…
flexor digitorum superficialis
extends thigh, flexes knee and medially rotates leg
extends thigh, flexes knee and medially rotates leg
extends and abducts wrists
flexes fingers (second to fifth) and wrists
Action of semimembranosus
extends thigh, flexes knee and medially rotates leg
Action of semitendinosus
extends thigh, flexes knee and medially rotates leg
29 terms
Muscles 2
Indirect Muscle Attachment
Direct muscle attachment
Aponeurosis
Agonist
Strong fibrous tendon merges into periosteum
Collegan fibers continue with periosteum, muscle connects to…
Insert into broad sheet of tissue
Prime mover, generates force
Indirect Muscle Attachment
Strong fibrous tendon merges into periosteum
Direct muscle attachment
Collegan fibers continue with periosteum, muscle connects to…
Muscles #2
coracobrachialis
biceps brachii
brachialis
triceps brachii
flexes and adducts arm
flexes at the elbow and shoulder
flexes at elbow
extends at elbow and shoulder
coracobrachialis
flexes and adducts arm
biceps brachii
flexes at the elbow and shoulder
12 terms
Muscles 2
Tibialis Anterior
Adductor group
Peronus Longus
Gastrocnemius
Action: Dorsiflexes and inverts foot
Origin: Pubis // Insertion: Linea Aspera // Action: flex thighs
Action: Plantarflex and everts foot
Origin: Femur // Insertion: calcaneous via Achilles tendon //…
Tibialis Anterior
Action: Dorsiflexes and inverts foot
Adductor group
Origin: Pubis // Insertion: Linea Aspera // Action: flex thighs
25 terms
Muscles 2
Trapezius
Rhomboids
Levator scapula
Serratus anterior
occipital bone, clavicle, spine, scapula... Rotates and adducts…
Thoracic & cervical vertebrae, scapula... Adducts and elevates…
Cervical vertebrae, scapula... Elevates scapula
Upper ribs, scapula... Pulls anteriorly and rotates scapula
Trapezius
occipital bone, clavicle, spine, scapula... Rotates and adducts…
Rhomboids
Thoracic & cervical vertebrae, scapula... Adducts and elevates…
18 terms
Muscles 2
Biceps Brachii Action
Biceps Brachii Insertion
Biceps Brachii Origin
Triceps Brachii Origin
Flex elbow and rotates hand laterally
Radial tuberosity of Radius
Coracoid process
Tubercle below glenoid cavity and lateral and medial surfaces…
Biceps Brachii Action
Flex elbow and rotates hand laterally
Biceps Brachii Insertion
Radial tuberosity of Radius
49 terms
Muscles #2
Spinous processes of C7-T3
Ribs 2-5
Assist with inhalation
Spinous processes of T11-L2
Origin of serratus posterior Superior
Insertion of serratus Posterior Superior
action of serratus posterior superior
Origin of serratus posterior inferior
Spinous processes of C7-T3
Origin of serratus posterior Superior
Ribs 2-5
Insertion of serratus Posterior Superior
15 terms
Feline Muscles 2
Thoracic limb muscles
3 parts of Triceps Brachii
Long head of the Triceps Brachii
Medial Head of Triceps Brachii
1) triceps brachii (3 parts)... 2) brachioradialis... 3) biceps bra…
1) long head... 2) medial head... 3) lateral head
Thoracic limb muscles
1) triceps brachii (3 parts)... 2) brachioradialis... 3) biceps bra…
3 parts of Triceps Brachii
1) long head... 2) medial head... 3) lateral head
29 terms
Muscles #2
Pronator Teres
Flexor Carpi Radialis
Palmaris Longus
Flexor Carpi Ulnaris
Origin: Humeral Head: Medial supracondylar ridge and of the h…
Origin: Median epicondyle ... Insertion: 2nd and 3rd metacarpals…
Origin: Median epicondyle ... Insertion: flexor retinaculum and…
Origin: Medial epicondyle and superior posterior border of ul…
Pronator Teres
Origin: Humeral Head: Medial supracondylar ridge and of the h…
Flexor Carpi Radialis
Origin: Median epicondyle ... Insertion: 2nd and 3rd metacarpals…
9 terms
1.2 mastication muscles
masseter
Masseter
buccinator masseter temporalis lateral…
masseter temporalis
insertion: mandible
action closes jaws and elevates mandible
masseter
Masseter
18 terms
Upper Limb Muscles 2
Pronator Teres
Flexor Carpi Radialis
Flexor Carpi Ulnaris
Palmaris Longus
Pronator Teres
Flexor Carpi Radialis
8 terms
MUSCLES 2
skeletal muscle
skeletal system
muscle system
organ
muscle attached to skeleton
bones working together
muscles working together
tissues combine
skeletal muscle
muscle attached to skeleton
skeletal system
bones working together
17 terms
Muscles #2
Rectus
Rhomboid
Masseter
Sartorius
_____ femoris is the only quadricep muscle that crosses two j…
______ Major reacts and rotates the scapula downward
A short, thick, masticatory muscle that assists in closing th…
The longest muscle in the body
Rectus
_____ femoris is the only quadricep muscle that crosses two j…
Rhomboid
______ Major reacts and rotates the scapula downward
Muscles 2
Voluntary muscles
Involuntary Muscles
Skeletal Muscles
Smooth muscles
Voluntary = muscles you can control... examples: bicep, hamstring
Involuntary = muscles that move automatically... Examples: heart…
Skeletal muscles: Muscles attached to bones that make your bo…
Smooth Muscles: muscles in internal organs that help them mov…
Voluntary muscles
Voluntary = muscles you can control... examples: bicep, hamstring
Involuntary Muscles
Involuntary = muscles that move automatically... Examples: heart…
19 terms
Muscles and their Actions (Muscles of the Upper Limb)2
Triceps brachii
Biceps brachaii
Brachioradialis
Brachialis
powerful forearm extensor
flexion (powerful) elbow and supination of forearm
synergist (body organ that allows) in forearm flexion
major flexor of forearm
Triceps brachii
powerful forearm extensor
Biceps brachaii
flexion (powerful) elbow and supination of forearm
11 terms
Muscles 2
Gastrocnemius
Hamstring
Quadriceps
Gluteus Maximus
Back of leg,below knee
Back of leg, at the rear of the thigh
Front of leg, the thigh muscle
Your bottom
Gastrocnemius
Back of leg,below knee
Hamstring
Back of leg, at the rear of the thigh
25 terms
Muscles 2
Role of the cerebrum
Role of medulla oblongata
Role of cerebellum
Describe the effects of osteoarthritis…
concious thought;... co-ordination of valuntary activity;... learni…
regulation of autonomic activities;... heart rate;... blood pressur…
co-ordination of balance;... muscle co-ordination;... reflex contro…
inflammation;... loss of cartilage;... calcification of the joint c…
Role of the cerebrum
concious thought;... co-ordination of valuntary activity;... learni…
Role of medulla oblongata
regulation of autonomic activities;... heart rate;... blood pressur…
13 terms
Muscles 2
External oblique
Transverse abdominis
Rectus abdominis
External intercostals
compresses abdomen
compresses abdomen
flexes vertebral column
elevates ribs during inspiration
External oblique
compresses abdomen
Transverse abdominis
compresses abdomen
8 terms
Muscles 2
Body movements
Types of muscles
cont
cont
Flexion... Extension... Rotation... Abduction... Circumduction
Prime mover - muscle with the major responsibility for a cert…
Antagonist - muscle that opposes or reverses a prime mover
Synergist - muscle that aids a prime mover in a movement and…
Body movements
Flexion... Extension... Rotation... Abduction... Circumduction
Types of muscles
Prime mover - muscle with the major responsibility for a cert…
muscles 2
pectoralis major
rectus abdominis
external oblique
internal oblique
Chest muscle... moves your arm across your ches
flexes and rotates vertebral column
flexion and rotation at waist
flexion and rotation of trunk; lateral flexion
pectoralis major
Chest muscle... moves your arm across your ches
rectus abdominis
flexes and rotates vertebral column
21 terms
Muscles 2
Hypertrophy
Hyperplasia
Increasing Force
Muscle Mechanics
- Increase in the size of individual fibers (weight... training)
- Increase in number of fibers... • Not common
1. Large number of muscle fibers... 2. Large muscle fibers... 3. As…
-Arrangement of muscle fibers... -Position... *The interaction betw…
Hypertrophy
- Increase in the size of individual fibers (weight... training)
Hyperplasia
- Increase in number of fibers... • Not common
38 terms
Muscles 2
Superficial back muscle
Deep muscle
Erector spinae muscle
Splenius muscle
has specific nerves and action... muscle of pectoral girdle, hum…
all innervated by spinal nerves... help stand erect
3 parts... spinal nerve innervation... structured like rope ladder…
muscle of posterior neck... mostly cervical region... Origin: cervi…
Superficial back muscle
has specific nerves and action... muscle of pectoral girdle, hum…
Deep muscle
all innervated by spinal nerves... help stand erect
23 terms
Muscles 2
rhomboideus
subscapularius
infraspinatus
supraspinatus
retract shoulder
medially rotate shoulder (bring in)
laterally rotate shoulder (bring out)
abduct shoulder
rhomboideus
retract shoulder
subscapularius
medially rotate shoulder (bring in)
14 terms
muscles 2
joint
articulated
opposable thumb
immobilize
the place where two bones meet. Most provide movement, howeve…
jointed or joined in sections, as in the human skeleton
positioned opposite to the other fingers
to prevent something from moving
joint
the place where two bones meet. Most provide movement, howeve…
articulated
jointed or joined in sections, as in the human skeleton
22 terms
Muscles #2
Frontalis, Orbicularis Oculi, Orbicula…
Origin of the Frontalis
Insertion of the Frontalis
Orbicularis Oculi
What are the facial muscles?
Cranial aponeurosis
Skin of eyebrows
Circular muscle of the eye
Frontalis, Orbicularis Oculi, Orbicula…
What are the facial muscles?
Origin of the Frontalis
Cranial aponeurosis
20 terms
muscles 2
epicranius
pronator teres
sternohyoid
vastus lateralis
muscle where forehead is
palmar side of forearm below elbow
muscle attaching hyoid bone to sternum
runs on the lateral side of the thigh
epicranius
muscle where forehead is
pronator teres
palmar side of forearm below elbow
muscles 2
Muscles of rotator cuff
rotator cuff
deltoid
coracobrachialis
SITS... subscapula... infraspinatous... teres minor... supraspinatous
o- scapula... i- humerus... a- stabalize shoulder joint
o- calvicle, acromion, spine, scapula... i- deltoid tuberosity... a…
o- coracoid process... i- humerus... a- adduction, flexion of arm
Muscles of rotator cuff
SITS... subscapula... infraspinatous... teres minor... supraspinatous
rotator cuff
o- scapula... i- humerus... a- stabalize shoulder joint
12 terms
Muscles 2
Biceps
Trapezius
Deltoid
Triceps
Front upper arm
Neck
Shoulder
Around the biceps
Biceps
Front upper arm
Trapezius
Neck
11 terms
Muscles 2
myofibril
neuromuscular junction
motor unit
smooth muscle has
composed of actin and myosin
musclefiber folds forming motor end plates
is a motor neuron and muscle fibers connected
calmodulin not troponin
myofibril
composed of actin and myosin
neuromuscular junction
musclefiber folds forming motor end plates
11 terms
Cat Muscles (Images) 2
gastrocnemius
biceps femoris
sartorius
gracilis
Identify what the arrow is pointing to
Identify what the arrow is pointing to
Identify what the arrow is pointing to
Identify what the arrow is pointing to
gastrocnemius
Identify what the arrow is pointing to
biceps femoris
Identify what the arrow is pointing to
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