Muscles Flashcards
Name the “breast/chest” muscle
P-ec-t-o-r-a-l-i-s
Internal Oblique
Runs 2 right angles to those of the external obliqes
Start at iliac go up to last 3 ribs
same function as rectgus abdominus
Sartorius
Weak thigh flexor, Tailor’s muscle b/x helps w/ vross-legges positiong
Origin: Pelvis
Insertion: Tibia
Pectoralis Major forms the…
Part of upper skeleton (anterior axilla) adduvts and flexes arm
Oblique fiber direction
Muscle fibers run on a diaginal
Forms “The V”
Function of muscular system
Holds body erect
MAkes movement possible
Movement aids blood flow through viens back to the heart
3 types
NAme and spell
O-r-b-i-c-u-l-a-r-i-s
o-r-i-s
Spell the word that means:
By tib. & on lateral part of leg
Help plantar flexion & evert foot
P-e-r-o-n-e-u-s
REctus fiber direction
Straight, upright, vetical fibers
What type of diber direction is this
Transverse
Trunk and neck mucles help…
move head, neck, shoulder girlde
move spinal column, ribs, head, arms
form ab. wall structure
Smooth Muscle ex
Digestive Tract
Ducts leading from glands
Bronchi of the lungs
Hamstring Group
Posterior
flex @ back of the knee
Smooth Muscles Actions
Produce slow contrations
(Food moving through digestive tract)
When SCM contract the neck ____ the ___
When SCM contract, the neck flexes the head
aka prayer muscle
ADL stands for
At daily living
Pectoralis Major
Fan shapped muscle covering upper part of chest starts @ shoulder girdle, and 1st six ribs, inserts @ proximal end of humerus
Gastrocnemius
Attaches to bone by achilles tendon, prime mover for plantar flexion often called to dancers muscle
if cut hard to walk, and foot drags
TRansverese Fibers look like….
Crosswire, horozonotal lines
Quadriceps Group
Origin: Pelvis & femur
Insertion: Tibia by patellar tendon
together helps extend knee(kick), flex hip, can be used 4 injections especially in infants w poor development gluteus muscle
Spell the word that means:Delicate connective tissue that surrounds/encases each muscle fiber
E-n-d-o-m-y-s-i-u-m
Endomysium
Delicate connective tissue that surrounds/encases each muscle fiber
Name and spell this facial muscle
B-u-c-c-i-n-a-t-o-r
Whats Aponeuroses
Helps muscles attatch to other muscle; sheet like
Trapezius
Form diamond shaped muscle
Origin: Occipital bone, down vertebral column, ends at T12, clavicle, scapula
Spell this muscle
G-a-s-t-r-o-c-n-e-m-i-u-s
Spell the word that means:Course membrane that wraps many fibers together
P-e-r-i-m-y-s-i-u-m
When the Trapezius contracts the______ relaxes
When the Trapezius contracts the SCM relaxes
Name and spell
S-a-r-t-o-r-i-u-s
what is fine motor
Daily living tasks
3 types of Fiber Direction
Rectus
Oblique
Transverse
Sphincter
Rectus Abdominis
Origin Pubis-Rib Cage
Flex vertebral column
Compress contents during defication & childbirth
Breathing
Cardiac MUscle Tissue Acts like
Acts like smooth muscle tissue and helps move fluid through the heart
THe origin of a muscle is…
where the muscle originates,usually closer to the midline
Name the ways a muscle is named
origin
Insertion
Action
Fiber Direction
OF divisions
shape
Head and Neck Muscle help us do what…
MOve head and neck
talk, eat, drink
facial expressions
sing/instruments
blink
Does this look good to you?
KEEP AT IT!
Transverse Abdomius
Run horozontally across ab.
Origin: Lower Ribs, Iliac Crest INsertion: Pubis
Compresses ab contents during defaction
Name and spell
M-a-s-s-e-t-er
Skeletal Muscular Tissue Ex.
Bicep
Tricep
Zygomatic
Deltoid
Gluteus Minimus(medius)
Hip abductor
hleps steady pelvis whe walking
good 4 injections
whats the zygomaticus
Muscle @ corner of the mouth and over cheeck bone, raises corber of the mouth
aka smile muscle
Arm and shoulder muscle help us…
FIne motor cordination(brush teeth, write/daily living)
Pick up objects
Define Epimysium
“overcoat” of connective tissue that covers many fasciles; Deep fascia covers entire muscle
Is Skeletal Muscular Tissue Voluntary or Involuntary
Voluntary-under our conscious control
Masseter
Covers lower jaw & runs from zygomatic process and temoral bone- mandible .
Helps close jaw, elevating mandible
Latssimus Dorsi
LArge flat muscles covers lower back
Help extend & adduct humerus
Very powerful & useful when swimming or punching
Perimysium
Course membrane that wraps many fibers together
Hip Joints
Anterior muscle group help flex thigh
Name and spell
L-a-t-i-s-s-i-m-u-s D-o-r-s-i
Peroneus Muscle Group
By tib. & on lateral part of leg
Help plantar flexion & evert foot
Name
Tibalis
Define # of divisions
Describes the # of origins in a group , like biceps, triceps, quads.
How do you take an injection in the leg
gran right above knee
put hand closest to groin
squeeze
raised area is your target :)
It pays off! How Bad do you want that Docotrate of Medicine
This is what you LOVE!
EMBRACE IT
You better make those 12 years worth it
Function of Skeletal Muscle tissue
Muscles that attaches to skeleton
Makes body motion possible
Antagonist muscle of the Trapezius is….
SCM
Elevates depress, abduct, stabilize, scapula
Smooth tissue functions
Move internal organs
Spell the word that has circular fiber direction
S-p-h-i-n-c-t-e-r
INtercostal Muscles
Depp muscles between ribs
External intercoastal muscles help ,raise ribs 4 breathing in all help inhale
Depress ribs to help move air in and out
Whats a Tendon
Coed-like and tough
help attatch the fascia or epimysium(Overcoat of muscles) to bones
Where is Cardiac Muscle Tissue found?
The Heart
Name 2 muscles names by its shape
Trapezius
deltoid
describe the muscle that pulls back ends of the mouth…
B-u-c-c-i-n-a-t-o-r
horozontal fiber direct.
inserts at obicularis oris
Flatens cheek(whistling, blowing)
Helps compress cheeck 2 hold in food
Smooth muscles are smooth muscles (in)voluntary?
Involuntary
What does skeletal tissue look like
Striated b/c the light and dark muscle bands create striped(striated) appearance
Function of the tendons
attach muscle to bone
cushion to rough bones
Provide stranegth to muscle and bone
describe the Orbicularis Oculi
Fibrous muscle surrounding muscle eye socket
close.open eyes
wink
blink
Spell the largest visible nerve
S-c-i-a-t-i-c
Trunk muscle help us….
Stabilize trunk
protect spinal cord
elevates ribs
flexes lumbar spine
bend trunk
erect posture
Defecation
The insertion of a muscle is..
Where the muscle ends, usually away from the midline
Cardiac Muscle function
Forms walls of the heart
Only place where this is found
look @ it
Spell and describe muscle over cheek bone
Z-y-g-o-m-a-t-i-c-u-s
Coner of mouth to cheeck bone
raises corner of mouth
aka smiling muscle
2033 is closer than you think….
SLAAAY
Deltoid
Triangle shaped muscle forming rounded part of shoulder
Great ite for injection in adults
Prime mover in arm abduction
NAme and spell the muscle that surrounds your eye
O-r-b-i-c-u-l-a-r-i-s
O-c-u-l-i
External Oblique
Make up lateral wall of abdomen
Run meially from last 8 ribs-ilium
Function same as rectus abdominus
Describe: Orcbicularis Oris
HElps eating, drinking , talking play istrument
aka kissing muscle
NAme and spell
Z-y-g-o-m-at-i-c-u-s
What does cardiac tissue look like
Looks Like Skeletal Muscle
3 things of the Frontalis
COvers frontal bone, insesrts @ the eyebrow
Raises Eybrows
Creates wrinkles of forehead
Name and spell
T-r-a-p-e-z-i-us
Muscles that help form muscular wall, contain protect contents are called….
Anterior Abdominal Wall Muscles
Tibialis Anterior
Front leg
Dorsi Flex ankle/ foot
Origin: Tibia
Insert: MEtatarsals
Skeletal MUscular Tissue actions
Contracts quickly
*like when running away*
What is the cute guy pointing to?
HIs obliques
*heart eyes*
Name & spell this
F-r-o-n-t-a-l-i-s
Your Cardiac Muscle is moved ______.
INVOLNTARY
Smooth Muscle looks…
smooth
NO bands like skeletal muscle
Muscles are named by their action like….
Words like flexor
Extensor
(ab) Adductor
Sternocleidomastoid.
Describe and give origin and Insertion
Pair of 2 headed muscle found bilateraly of neck.
origin: sternum, clavicle
Inserts: Mastoid process
