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Chapter 4 - Vocabulary
Basic Vocabulary
100
Medical
Undergraduate 1
09/23/2012

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Term
Tendon
Definition
narrow band of nonelastic, dense, fibrous connective tissue that attaches a muscle to a bone
Term
Muscle Fibers
Definition
long, slender cells that make up muscles
Term
Fascia
Definition
a band of connective tissue that envelopes, separates, or binds muscles or groups of muscles.
Term
Skeletal Muscles
Definition
attached to the bones of the skeleton and make body movement possible
- voluntary
- striated
Term
Smooth Muscles
Definition
located in the walls of internal organs such as the digestive tract, blood vessels, and ducts leading from glands; moves and controls the flow of fluids through these structures
- involuntary
- visceral
Term
Myocardial Muscle
Definition
from the muscular walls of the heart
- involuntary
- striated
Term
Muscle Innervation
Definition
the stimulation of a muscle by an impulse transmitted by a motor nerve
Term
Contraction
Definition
the tightening of a muscle
Term
Relaxation
Definition
occurs when a muscle returns to its original form
Term
Hyperextension
Definition
the extreme or overextension of a limb or body part beyond its normal limit
Term
Elevation
Definition
the act of raising or lifting a body part
Term
Elevation
Definition
the act of raising or lifting a body part
Term
depression
Definition
the act of lowering a body part
Term
Rotation
Definition
a circular movement around an axis such as the shoulder joint
Term
Circumduction
Definition
the circular movement at the far end of a limb
Term
Supination
Definition
the act of rotating the arm or leg so that the palm of the hand or the sole of the foot is turned forward or upward
Term
Pronation
Definition
the act of rotating the arm or leg so that the palm of the hand or the sole of the foot is turned downward or backward
Term
Dorsiflexion
Definition
the movement that bends the foot upward at the ankle
Term
Plantar Flexion
Definition
the movement that bends the foot downward at the ankle
Term
Origin
Definition
where the muscle begins; the less movable attachment
Term
Insertion
Definition
Where the muscle ends by attaching to a bone or tendon
Term
Mastoid Muscle
Definition
inserts at one point of the insertion into the mastoid process
Term
Pectoralis Major
Definition
a thick, fan-shaped muscle situated on the anterior chest wall
Term
Lateralis
Definition
toward the side
Term
Vastus Lateralis
Definition
a muscle towards the outside of the leg
Term
Medialis
Definition
Towards the midline
Term
Vastus Medialis
Definition
a muscle toward the midline of the leg
Term
Oblique
Definition
slanted or at an angle
Term
Rectus
Definition
in straight alignment with the vertical axis of the body
Term
Sphincter
Definition
a ring-like muscle that tightly constricts the opening of a passageway
Term
Transverse
Definition
crosswise in direction
Term
Biceps Brachii
Definition
formed from two divisions; located in the anterior upper arm; flexes the elbow
Term
Triceps Brachii
Definition
formed from three divisions; located in the posterior upper arm; extends the elbow
Term
Gluteus Maximus
Definition
the largest muscle of the buttock
Term
Deltoid Muscle
Definition
forms the muscular cap of the shoulder; shaped like an inverted triangle
Term
Hamstring Group
Definition
located at the back of the upper leg,involved in knee flexion and hip extension, consists of:
- Biceps femoris
- Semitendonosus
- Semimembranosus
Term
Frontalis
Definition
Muscle in the forehead
Term
Temporalis
Definition
muscle moves the lower jaw up and back to close the mouth
Term
Masseter
Definition
one of the strongest in the body; moves the lower jaw up to close the mouth when chewing
Term
External Oblique Muscles
Definition
found in abdomen; flex and rotate the vertebral column; also flexes the torso and compresses the abdomen
Term
Internal Oblique Muscles
Definition
Found in abdomen; flex the spine, support the abdominal contents; help breathe, and rotate the spine
Term
Trapezius
Definition
muscle moves the head and shoulder blade
Term
Rectus Femoris
Definition
extends the leg at the knee
Term
Quadriceps Femoris
Definition
Made up of four muscles, including the vastus lateralus and vastus medialis, which flex and extend the leg at the knee
Term
Gastrocnemius
Definition
the calf muscle that flexes the knee and bends the foot downaward
Term
Excercise Physiologist
Definition
a specialist who works under the supervision of a physician to develop, implement, and coordinate excercise programs, and administer medical tests to promote physical fitness
Term
Neurologist
Definition
specializes in treating the causes of paralysis and similar muscular disorders in which there is a loss of function
Term
Physiatrist
Definition
specializes in physical medicine and rehabilitation with the focus of restoring function
Term
Sports Medicine Physician
Definition
specializes in treating sports-related injuries of the bones, joints, and muscles
Term
Fibromyalgia Syndrome
Definition
a debilitating chronic condition characterized by fatigue; diffuse or specific muscle, joint, or bone pain;
Term
Chronic Fatigue Syndrome
Definition
profound fatigue and not cured by rest
Term
Adhesion
Definition
a band of fibrous tissue that holds structures together abnormally
Term
Atrophy
Definition
weakness or wearing away of body tissues and structures
Term
Sarcopenia
Definition
the loss of muscle mass, strength, and function that come with aging
Term
Ataxia
Definition
the lack of muscle coordination during voluntary movement
Term
Contracture
Definition
the permanent tightening of fascia, muscles, tendons, ligament, or skin that occurs when normally elastic connective tissues are replaced with nonelastic fibrous tissues
Term
Intermittent Claudication
Definition
pain in the leg muscles that occurs during exercise and is relieved by rest
Term
Spasm
Definition
a sudden, involuntary contraction of on or more muscles
Term
cramp
Definition
a painful localized muscle spasm often named for its cause, such as menstrual cramps or writer's cramps
Term
Spasmodic Torticollis
Definition
Wryneck; a stiff neck sue to spasmodic contraction of the neck muscles that pull the head toward the affected side
Term
Nocturnal Myoclonus
Definition
the jerking of limbs that can occur normally as a person is falling asleep
Term
Singultus
Definition
Hiccups; myoclonus of the diaphragm that causes the characteristic hiccup sound with each spasm
Term
Myasthenia Gravis (MG)
Definition
a chronic autoimmune disease that affects the neuromuscular junction and produces serious weakness of voluntary muscles
Term
Muscular Dystrophy
Definition
a group of more than 30 genetic diseases that are characterized by progressive weakness and degeneration of the skeletal muscles that control movement, without affecting the nervous system
Term
Repetitive Stress Disorders
Definition
Repetitive Motion Disorders; a variety of muscular conditions that result from repeated motion performed in course
Term
Compartment Syndrome
Definition
involves the compression of nerves and blood vessels due to swelling in the enclosed space created by the fascia that separates groups of muscles
Term
Overuse Injuries
Definition
minor tissue injuries that have not been given time to heal
Term
Overuse tenditis
Definition
Overuse Tendinosis; a inflammation of tendons caused by excessive or unusual use of a joint
Term
Myofascial Pain Syndrome
Definition
a chronic pain disorder that affects muscles and fascia throughout the body
Term
Impingement Syndrome
Definition
occurs when inflamed and swollen tendons are caught in the narrow space between the bones within the shoulder joint
Term
Rotator Cuff Tendinitis
Definition
an inflammation of the tendons of the rotator cuff
Term
Ruptured Rotator Cuff
Definition
develops when the rotator cuff tendinitis is left untreated or if the overuse continues
Term
Carpal Tunnel Syndrome
Definition
occurs when the tendons that pass through the carpal tunnel are chronically overused and become inflamed and swollen
Term
Carpal Tunnel Release
Definition
the surgical enlargement of the carpal tunnel or cutting of the carpal ligament to relieve the pressure on tendons and nerves
Term
Ganglion Cyst
Definition
a harmless fluid-filled swelling that occurs most commonly on the outer surface of the wrist
Term
Heel Spur
Definition
a calcium deposit in the plantar fascia near its attachment to the Calcaneus.
Term
Plantar fasciitis
Definition
an inflammation of the plantar fascia on the sole of the foot
Term
Sprain
Definition
an injury to a joint, such as an ankle, knee, or wrist which usually occurs when a ligament is wrenched or torn
Term
Strain
Definition
an injury to the body of the muscle or to the attachment of a tendon
Term
Shin Splint
Definition
a painful condition caused by the tibialis anterior muscle tearing away from the tibia
Term
Hamstring Injury
Definition
can be a strain or tear on any of the three major hamstring muscles that straighten the hip and bend the knee
Term
Achilles tendinitis
Definition
a painful inflammation of the Achilles tendon caused by the excessive stress being placed on that tendon
Term
Iliotibial Band Syndrome
Definition
an overuse injury in which the iliotibial band rubs up against bone. the iliotibial band runs from the hip bone, diagonally across the leg to the tibia
Term
Spinal Cord Injury
Definition
type of paralysis caused by this is determined by the level of the vertebra closest to the injury
Term
Paralysis
Definition
the loss of sensation and voluntary muscle movements in a muscle through disease
Term
Paraplegia
Definition
the paralysis of both legs and the lower part of the body
Term
Deep Tendon Reflexes
Definition
tested with a reflex hammer that is used to strike a tendon
Term
Range-of-Motion Testing
Definition
ROM; a diagnostic procedure to evaluate joint mobility and muscle strength
Term
Muscle Biopsy
Definition
involves removal of a plug of tissue for examination
Term
Antispasmodic
Definition
Anticholinergic; administered to suppress smooth muscle contractions of the stomach, bladder, or intestine
Term
Skeletal Muscle Relaxant
Definition
administered to relax certain muscles and to relieve the pain , stiffness, and discomfort caused by strains, sprains, or other muscle injuries
Term
Neuromuscular Blocker
Definition
a drug that causes temporary paralysis by blocking the transmission of nerve stimuli to the muscles
Term
Ergonomics
Definition
the study of human factors that affect the design and operation of tools and the work enviroment
Term
Myofascial release
Definition
a specialized soft-tissue manipulation technique used to ease the pain of conditions such as fibromyalgia syndrome, myofascial pain syndrome, etc.
Term
Occupational Therapy
Definition
consists of activities to promote recovery and rehabilitation to assist patients in performing the activities of the daily living.
Term
Physical Therapy
Definition
treatment to prevent disability or restore function through the use of exercise, heat, massage, or other techniques
Term
Therapeutic Ultrasound
Definition
uses high-frequency sound waves to treat muscle injuries by generating heat deep within muscle tissue
Term
Transcutaneous Electrical Nerve Stimulation
Definition
TENS; uses a device that delivers electrical impulses through the skin, which causes changes in muscles
Term
RICE
Definition
Rest, Ice, Compression, and Elevation; First Aid for any muscle injury
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