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Anatomy
| Question | Answer |
|---|---|
| The ability to shorten with force | Contracaility |
| Buttocks | Gluteus Maximus |
| Muscle cells | Muscle fibers |
| Chest Muscle | Pectoral Muscle |
| extensibility | the ability to be stretched |
| Occipitofrontalis | raises the eyebrows |
| Intrinsic Tongue Muscles | Change the shape of the tongue |
| Extrinsic Tongue Muscles | Move the tongue |
| Mastication | chewing |
| Thoracic Muscles | muscles that move the thorax |
| On each side of the linea alba is the | Rectus Abdominis muscle |
| Zygomaticus | smiling muscle |
| Depressor Anguli Oris | frowning |
| Levator labii superioris | Sneering |
| Orbicular Oris | Puckers the lips |
| The 20 muscles in the foot | Intrinsic Foot muscles |
| Sartorius | Flexes the thigh |
| Trapezius | rotates scalpula |
| Serratus anterior | Pulls scapula anteriorly |
| Pectoralis Major | adducts and flexes the arm |
| Brachialis | Flexes forearm |
| Flexor Carpi | Flexes the wrist |
| Extensor Carpi | Extends the wrist |
| Flexor Digitorum | Flexes the fingers |
| Extensor Digitorum | Extends the fingers |
| Brachioradialis | Flexes and supinates the forearm |
| ATP | is needed for energy for muscle contraction |
| Recruitment | The increase in number of motor units being activated |
| Time of contraction is called | Contraction phase |
| Most stationary end of the muscle | Origin |
| The end of the muscle undergoing the greatest movement | insertion |
| The portion of the muscle between the origin and the intersection | Belly |
| What surrounds the muscles | Fascia |
| The brief reversal back of the charge is called | action potential |
| This tendinous area of the abdominal wall called the | linea alba |
| On each side of the linea alba is the | rectus abdominis |
| muscles that move the thorax | Thoracic Muscles |
| elevate the ribs during inspiration | External intercostals |
| Internal intercostals | contact during forced expiration |
| muscle fibers that are used for short bursts of energy | fast twitch |
| muscle fibers that are used for endurance and stamina | slow twitch |
| where the muscle remains contracted without relaxing | tetany |
| the increase in number of motor units being activated is called | recruitment |
| muscles that work together | synergists |
| muscles that work in opposition | antagonist |
| the muscle that plays the major role in accomplishing the movement | prime mover |
| thin myofilaments | actin myofilaments |
| thick myofilaments | myosin myofilaments |
| the cytoplasm of each fiber is filled with | myofibrils |
| a contraction of an entire muscle | muscle twitch |
| each skeletal muscle is surrounded by a connective sheath is called | epimysium |
| the time of a contraction is | contraction phase |
| the time between application of a stimulas to a motor neuron | lag phase |
| produced in the mitochondria | ATP |
| muscles are named by | location, shape, size, fibers, and more |
| elevate the ribs during inspiration | external intercoastal |
| contract during forced expiration | internal intercostals |
| on each side of the linea alba is the | rectus abdominis |
Created by:
Tyler2005?
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