Week 9 Flashcards
Name the two muscles that perform elbow flexion.
Biceps Brachial, Brachialis
Name the muscle that performs elbow extension.
Triceps Brachii
Name the two muscles that perform forearm supination and pronation
Brachiaradialis, Supinator
Name the 4 muscles that perform wrist flexion and extension?
Flexor Carpi radialis andE ulnaris Extensor Carpi ulnaris and radialis
Name the finger extensor muscle
Extensor digitorium
Name the two muscles of hip flexion, two muscles of hip abduction one muscle of hip extension and four muscles of hip adduction.
Flexion: Psoas, Illiacus
Extension: Gluteus Maximus
Abduction: Gluteus Medius, TFL
Adduction: Adductors
Name the 4 muscles of knee extension and four muscles (bicep femoris long and short head) of knee flexion. Make sure you know which direction is knee extension and knee flexion.
Rectus femoris, Vastus lateralis, Vastus Medialis, Vastus intermedius
Name the muscle of ankle dorsiflexion and two muscles of ankle plantar flexion.
Dorsiflexion: Tibialis Anterior
Flexion: Gastrocnemius and Fibularis Longus
linea alba
band of tough connective tissue called the linea alba extends from the xipgoid process of the sternum to the pubic symphasis
increases pressure
presses air out
pelvic floor
muscular base of abdomen, attatched to pelvis
IT band
Iliotibial band is a layer of connective tissue extending from the iliac crest to the knee and links the gluteus maximus to the tibia.
patellar tendon
A tendon that extends down from the quadriceps muscle in the thigh to incorporate the patella (the kneecap) and attach it to the tibia (the shinbone), providing extension at the knee joint. The patellar tendon is also called the patellar ligament because it connects the patella to the tibia.
calcaneal tendon
The Achilles tendon (or occasionally Achilles’ tendon), also known as the calcaneal tendon or the tendo calcaneus, is a tendon of the posterior leg. It serves to attach the plantaris, gastrocnemius (calf) and soleus muscles to the calcaneus (heel) bone.
define CNS
Brain and brainstem
PNS
all other nerves
somatic nervous system
nerves that you can control
neuron
mass of nerve cells
axon
extensions that send information in the form of nerve impulses
neuroglia
provide physical support, insulation, an nutrients for nuerons
sensory receptor
sensory function of nuero receptors
effector
the motor functions are carried from impulses called effectors
oligodendrocyte
align along nerve fibers. Provide layers of myelin sheet around axons in CNS
Shwann cell
In PNS produce myelin sheet around axons
neurotransmitter
Synaptic transmission, bio chemicals
Resting potential
difference between region inside membrane and the outside is the resting potential
Action Potential
once threshold reaches 55 millivolts it is at action potential
Repolarazation
In neuroscience, repolarization refers to the change in membrane potential that returns the membrane potential to a negative value after the depolarization phase of an action potential has just previously changed the membrane potential to a positive value. …
Depolarazation
the reduction of a membrane potential to a less negative value. It is caused by the influx of cations, such as sodium and calcium, through ion channels in the membrane. In many neurons and muscle cells, depolarization may lead to an electric impulse called an action potential.
