| resulting periodic spontaneous
contraction of smooth muscle | AUTORHYTHMICITY |
| specialized structures that facilitate
action potential conduction bet. cells | INTERCALATED DISKS |
| muscle connected to a bone | TENDON |
| broad, sheet like tendons | APONEUROSIS |
| a band of CT that holds down the
tendons at each wrist and ankle | RETINACULUM |
| head; most stationary end of the muscle | ORIGIN |
| end of the muscle attached to the bone
undergoing the greatest movement | INSERTION |
| part of the muscle bet. the origin & the insertion | BELLY |
| muscle that accomplishes a certain movement | AGONIST |
| muscle acting in opposition to an agonist | ANTAGONIST |
| a group of muscles working together to
produce a movement | SYNERGISTS |
| muscle that plays the major role in
accomplishing desired movement | PRIME MOVER |
| muscles that hold one bone in place relative to the body | FIXATORS |
| raises the eyebrows | OCCIPITOFRONTALIS |
| encircle the eyes, tightly close the
eyelids, and causes crow’s feet wrinkles | ORBICULARIS OCULI |
| encircles the mouth | ORBICULARIS ORIS |
| kissing muscles; pucker the mouth; flattens
the cheeks I whistling/blowing | BUCCINATOR |
| elevate the upper lip and corner of the
mouth | ZYGOMATICUS |
| sneering; elevates one side of
the upper lip | LEVATOR LABILE SUPERIORIS |
| frowning & pouting; depresses
the corner of the mouth | DEPRESSOR ANGULI ORIS |
| fan-shaped muscle | TEMPORALIS |
| seen & felt on the side of the head | MASSETER |
| protraction, excursion, elevation of
mandible | PTERYGOID |
| located within the tongue and
change its shape | INTRINSIC MUSCLES |
| attached to and move the tongue | EXTRINSIC MUSCLES |
| hold the hyoid bone; elevate the larynx | HYOID MUSCLES |
| elevate the pharynx | PHARYNGEAL ELEVATORS |
| constrict the pharynx from
superior to inferior (forcing food into the esophagus); also open the auditory tube | PHARYNGEAL CONTRICTORS |
| prime mover of the lateral muscle group; rotates the head; flexes the neck or extends the head; prayer muscle | STERNOCLEIDOMASTOID |
| wryneck; injury to the sternocleidomastoid | TORTICOLLIS |
| flexes/extends head and neck | DEEP NECK MUSCLES |
| extends and laterally flexes neck | TRAPEZIUS |
| responsible for keeping the back
straight and the body erect | ERECTOR SPINAE |
| responsible for several movements
of the vertebral column | DEEP BACK MUSCLES |
| elevate the ribs during inspiration | EXTERNAL INTERCOASTAL |
| contract during forced expiration,
depressing the ribs | INTERNAL INTEROCASTAL |
| major movement produced in the thorax
during quiet breathing | DIAPHRAGM |
| inspiration and rib elevation | SCALENES |
| tendinous area of the abdominal wall that
consists of white connective tissue | LINEA ALBA |
| located on each side of the linea
alba | RECTUS ABDOMINIS |
| causes the abdominal wall of
a lean, well-muscled person to appear segmented | TENDINOUS INTERSECTIONS |
| flex and rotate the vertebral column or
compress the abdominal contents | EXTERNAL AND INTERNAL ABDOMINAL OBLIQUE AND TRANSVERSUS ABDOMINIS |
| pelvic diaphragm | PELVIC FLOOR |
| muscle that forms the pelvic floor | LEVATOR ANI |
| associated with the male/female
reproductive structures | PERINEUM |
| Constricts the urethra; erects the penis, clitoris | PERINEUM BULBOSPONGIOSUS |
| compresses the base of
penis/clitoris | PERINEUM ISCHIOCAVERNOSUS |
| keeps the orifice of the anal canal closed | PERINEUM EXTERNAL AND SPINCTER |
| adducts the arm and flexes the
shoulder; extend the shoulder from a flexed position | PECTORALIS MAJOR |
| swimmer’s muscle; medially rotates and adducts the arm and powerfully extends the shoulder | LATISSIMUS DORSI |
| attached the humerus to the scapula and forms a cuff/cap over the proximal
humerus | ROTATOR CUFF MUSCLES |
| attaches the humerus to the scapula and
clavicle; major abductor of the upper limb | DELTOID |
| primary extensor of the elbow | TRICEPS BRACHII |
| primary flexors of the
elbow | BICEPS BRACHII AND BRACHIALIS |
| posterior forearm muscle; helps flex
the elbow | Brachioradialis |
| supination of the forearm or turning the
flexed forearm so that the palm is up | SUPINATOR |
| pronation, turning other forearm so that the
palm is down | PRONATOR |
| fibrous connective tissue that covers the
flexor & extensor tendons and holds them in place around the wrist | RETINACULUM |
| flex the wrist | FLEXOR CARPI |
| extend the wrist | EXTENSOR CARPI |
| flexor of the digits/fingers | FLEXOR DIGITORUM |
| extension of the fingers | EXTENSOR DIGITORUM |
| 19 muscles located within the
hand | INSTRINSIC HAND MUSCLES |
| responsible for abduction and adduction of
the fingers | INTEROSSEI |
| inflammation and pain due to forceful,
repeated contraction of the wrist extensor muscles | TENNIS ELBOW |
| tightens palm skin | PALMUS LONGUS |
| flexes the hip | ILIOPSOAS |
| helps steady the femur on the tibi
when a person is standing | TENSOR FASCIAE LATAE |
| extends the hip; adducts and laterally rottes the thigh; contributes most of the mass | GLUTEUS MAXIMUS |
| extends the hop when the thigh is
flexed at a 45O angle; common site for injections in the buttocks (sciatic nerve lies deep to the g. maximus) | GLUTEUS MEDIUS |
| primary extensors of the knee | QUADRICEPS FEMORIS |
| tailor’s muscle; longest muscle in the body;
flexes the hip and knee; rotates the thigh laterally for sitting cross legged | SARTORIUS |
| flexing the knee | HAMSTRING MUSCLES |
| adducting the thigh | ABDUCTOR MUSCLES |
| form the bulge of the calf | GASTROCNEMIUS AND SOLEUS |
| Achilles tendon; flexors and are
involved in plantar flexion of the foot | CALCANEAL TENDON |
| primary everters of the foot; aid in plantar flexion | FIBULARIS MUSCLES |
| flex, extend, abduct, and adduct
the toes | Intrinsic foot muscles |
| extends 4 lateral toes, everts foot | EXTENSOR DIGITORUM LONGUS |
| extends great toe; inverts
foot | EXTENSOR HALLUCES LONGUS |
| flexes great toe, inverts foot | Flexor halluces longus |
| flexes great toe, inverts foot | Flexor halluces longus |
| inverts foot | TIBIALIS POSTERIOR AND TIBIALIS ANTERIOR |
| everts foot | FIBULARIS BREVIS AND LONGUS AND FIBULARIS TERTIUS |
