Defintions Word Scramble
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| Term | Definition |
| Occipitofrontalis | raises the eyebrows |
| orbicularisoculi | closes the eyelids |
| orbicularis oris | puckers the lips |
| buccinator | flattens the cheeks |
| Zygomaticus | smiling muscle |
| Levator labii superioris | sneering |
| depressor anguli oris | frowning |
| sternocleidomastoid | lateral neck muscle and prime mover |
| platsyma | sheetlike muscle that covers the anterolateral neck |
| erecotor spinae | group of muscles on each side of the back |
| external intercostal | elevate the ribs during inspirtation |
| internal intercostals | contract during forced expiration |
| diaphragm | accomplishes quiet breathing |
| one of the strongest muscles | temporalis |
| trapezius | rotates scapula |
| serratus anterior | pulls scapula anteriorly |
| pectoralis major | adducts and flexes the arm |
| Latissimus dorsi | medially rotates, adducts, and powerfully extends arm |
| deltoid | attaches the humerous to the scapula and clavicle |
| triceps brachii | extends the forearm |
| biceps brachii | flexes the forearm : occupies the anterior compartment of arm |
| brachialis | flexes forearm |
| brachioradialis | flexes and supinates the forearm |
| retinaculum | strong band of fiberous connective tissue that covers the flexor and extensor tendons and holds them into place around the wrist so that they don't bowstring during muscle contraction |
| flexor carpi | flexes the wrist |
| extensor carpi | extends the wrist |
| flexor digitorumf | flexes the fingers |
| extensor digitorum | extends the fingers |
| intrinsic hand muscles | located within hand |
| interossi muscles | located between the metacarpals |
| gluteus maximus | buttocks |
| quadriceps femoris | extends the leg; anterior thigh muscle |
| sartorius | tailors muscle (flexes the thigh) |
| hamstring | posterior thigh muscles; flexes the leg and extends the thigh |
| Gastrocnemius and soleus | form of the calf muscle |
| Calcaneal tendon also known as | Achilles tendon |
| Lateral muscle of the leg | peroneus |
| instrinsic foot | muscles flex, extend, abduct, and adduct the toes |
| extrinsic | moves the tongue |
| instrinsic | changes the shape of the tongue |
| Tendinous inscriptions | cross the rectus abdominis at three or more locations |
| linea alba | consists of white connective tissue rather than muscle |
| on each side of the linea alba is the | Rectuys Abdominis |
| contraction | process of becoming smaller |
| Muscle Fibers | Cell composed of my fibers that contract when stimulated |
| Skeletal muscle | connected to the skeleton to form part of mechanical system |
| endomsyium | ensheaths each individual myocyte |
| Perimsyium | shealth of connective surrounding a bundle of muscle fibers |
| Epimysium | fiberous elastic tissues surrounding a muscle |
| Fasicle | Bundle of structures |
| Smooth Muscle | contractile fibers are not highly ordered |
| Cardiac Muscle | Another term for myocaridum |
| Sarcolemma | fine transparent tubular shealth |
| sarcomere | structural unit of a myofiber in striated muscle |
| myosin | fibrous protein that forms the contractile filaments of muscle |
| Actin | protein that forms (together with myosin) |
| Sarcoplasmic reticulum | specialized endoplasmic of cardiac muscle |
| motor unit | made up of a motor neuron and the skeletal muscle |
| axon | long threadlike part of a nerve cell |
| Acetylcholine | Compound that occurs throughout the nervous system |
| Muscle Fatigue | Muscle to generate force |
| Isotonic Contractions | length of muscle changes |
| Isometric contractions | strength training in which joint angle and muscle length do not change |
| origin | where something begins |
| insertion | action of inserting something |
| synergists | a substance organ |
| antagonist | substances that inhibits physiological action |
| fixators | muscle that acts of a stabilizer |
| four major functional characteristics | contractility, excitability, elasticity, extensibility |
| each skeletal muscle is surrounded by a connective tissue shealth called | Epimysium |
| Fascia | another connective tissue located outside epimysium |
| Muscle composed of numerous visible bundles | Fasiculli |
| Each side of a "Z line" is an | I band |
| What kind of line is in between two A bands? | M line |
| Contractility | shorten with force |
| Excitability | capacity to respond to a stimulus |
| extensibillity | ability to stretch |
| elaasticity | ability to recoil to original stretch |
| muscle fiber | single cylindril cell containing several nuclei |
Created by:
AddisonFerguson
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