Thin filaments are made of protein molecules called___
actin
Thick filaments are made up of_____-
myosin
The energy required for muscle contraction is obtained from_________
ATP
Production of energy with oxygen is called__________.
aerobic respiration
Muscles only______,they don't push.
pull
Wrapped in perimysium
Fascicles
Muscle cells are long fibers that run parralel to each other and are held together by?
Endomysium
Skeletal muscle is covered by a fourth tough layer of connective tissue called the________
Deep fascia
Muscles that work with prime movers by providing the opposing action is the _____________.
Antagonist
What muscle is named for its triangular shape?
Deltoid
Which muscle cells have more than one nucleus, are striated and are controlled voluntarily?
Skeletal
Contraction of both of these muscles in the neck causes flexion of the head toward the chest leading to the nickname "prayer muscle"
Sternocleidomastoid
Antagonist of the diaphragm
Transverse(rectus) abdominis
Weakness of a muscle that allows protrusion of organs through an opening in the muscle
hernia
The antagonist of the biceps brachii
triceps brachii
The contractile unit of a skeletal muscle, situated between the Z-lines is called
Sarcomere
Which muscle is primarily being used when the foot is dorsiflexed or inverted
Tibialis Anterior
Broad sheet of shiny white connective tissue that connects muscles
(between muscles on the front and back of the skull or over external obliques)
Fascia
Transverse abdominis
The straight muscle in the middle of the quadriceps group is the
rectus femoris
What are 3 general functions of the muscular system
Movement
Heat Production
Posture
ATP may be made through a reaction between adenosine diphosphate and _________ which is stored in the muscles
creatine phosphate
Bacteria that releases a toxin triggering overactivity of the nervous system which leads to painful muscle spasms
Clostridium tetani
Genetic disorder characterized by muscle wasting
muscular dystrophy
Autoimmune disease characterized by muscle weakness in face and throat
Myasthenia gravis