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Muscular System Adan Tepalt .2, Myositis: Inflammation of muscles - Coggle…
Muscular System Adan Tepalt .2
Types of Muscles and Functions
Skeletal
Assists in movements of bones at joints; maintenance of posture
Cardiac
On wall of heart; pumping action to and from heart
Smooth
Movement of viscera, peristalsis, and vasoconstriction
Anterior/Superior
Bicep Brachii
Brachialis
Brachiordalis
Deltoid
External Oblique
Flexor Carpi Radialis
Flexor Carpi Ulnaris
Frontalis
Iliopsoas
Masseter
Orbiculari Oris
Orbicularis Oculi
Palmaris Longus
Pectinus
Pectoralis major
Pronator teres
Rectus abdominus
Serratus anterior
Sternocleidomastoid
Sternohyoid
Temporalis
Tensor Fasciae Latae
Trapezius
Tricep Brachii
Zygomaticus
Anterior/Inferior
Adductor Longus
Fibularis Longus
Extensor digitorum longus
Gastrocnemius
Gracilis
Iliotibial tract
Rectus Femoris
Sartorious
Soleus
Tibialsi Anterior
Vastus lateralis
Vastus medialis
Posterior/Superior
Brachiordialis
Deltoid
Extensor Carpi Radialis
Extensor carpi ulnaris
Flexor Carpi Ulnaris
Gluteus Maximus
Gluteus Medius
Infraspinatus
Latissimus DOrsi
Occipitalis
Rhomboid Major
Sternocleidomastoid
Teres major
Trapezius
Tricep brachii
Posterior/Inferior
Bicep femoris
Adductor magnus
Gastrocnemius
Gracilis
Soleus
Fibularis Longus
semitendinosus
Sarcomere (Myofibril)
I Bands: Light band, thin filaments
A bands: Dark band, thick filaments
H-Zone: contains myosin, middle of a band
Z DIsc: borders in sarcomeres
Neuromuscular Junction
Synaptic Cleft: gap between motor end plate and axon
Axon: ELectronic impulses from neuron travel to be recieved
Vessicles: Sac filled with fluid
Sliding Filament Theory
FIlaments slide together when contracting and shorten muscles
Connective TIssue COvering
Fascia: Surrounds each muscle
Gives rise to tendons
Sometimes sheet like tissue called aponeuroses
Fascia blends with epimysium
The perimysium extends outward from epimysium
Each uscle cell is covered by endomysium
Muscle disease
Muscular dystrophy: Muscle weakness and atrophy
Fibromyalgia: Musle pain
Myasthenia Gravis: Nueromuscula disorder that blocks neurotransmitter
Cerebral palsy: Spastic paralysis, muscle weakness
Myositis: Inflammation of muscles