Muscular System
These muscles are voluntary
What is skeletal?
What are the three words we use for layers within the skeletal muscle tissue?
Epimysium, perimysium, endomysium
The muscle that closes the hand
Flexor digitorum
The muscle that adducts and helps flex the humerus?
Pectoralis Major
The muscle around the mouth
orbicularis oris
Three types of muscle tissue
Skeletal, smooth, cardiac
These muscle move because of neurological synapses sent by the brain, because YOU want something to be done.
Voluntary
The muscle that extends the arm, open
Triceps
What muscle is responsible for lateral bending and twisting movement?
External and Internal obliques
Masseter does what
Raises mandible and closes the jaw
What are the two components needed to bind together to create and build muscle contraction?
Actin and myosin
What is the purpose of the skeletal muscles?
Structure and movement
The muscle that extends your leg straight
Quad
What muscle reveals the "six pack abs" and is the most superficial trunk muscle?
Abdominus rectus
Synergist of the masseter, closes jaw
Temporalis
What are the four properties of muscles?
Excitability, elasticity, contractibility, extensibility.
These muscles contract and function without thought
Involuntary
The muscle that is an antagonist to the triceps? (What muscle flexes when the triceps relax? )
Biceps
transverse abdominis does what....
Raises the rib cage during inhalation
The occipitalis does what
moves the scalp
A section within a myofibril that contains the actin, myosin, I band, A band... which pulls Z-lines together to create contraction.
Sarcomere
What connects muscle to bone?
Tendons
What muscle helps point your toes?
Gastrocnemius
Which muscle assists in straightening the back?
Erector Spinae
the Buccinator does what?
Flattens cheek, assists in chewing