Chapter 7: Vocab Flashcards
Contractility
Allows muscles to change shape to become shorter and thicker
Extensibility
Living muscles cells can be stretched and extended, becoming longer and thinner
Excitability
Muscles receive and respond to stimulation
Elasticity
Once a stretching force is removed, a living muscle cell returns to its original shape
Origin (muscle)
The more fixed attachment of the muscle to the stationary bone
Insertion (muscle)
Point of attachment if a muscle to the bone that it moves
Antagonist
Muscle that counteracts the action of another muscle; when one contracts, the other relaxes
Prime mover/agonist
Muscle that is primary in a given movement; the movement is produced by its contraction
Synergist
Muscle that acts with another muscle to produce and assist movement
Skeletal muscles
Aka striated or voluntary
Smooth muscle
Involuntary , unstriated, visceral
Not controlled by the conscious part of the brain
Cardiac muscle
Involuntary, striated; Muscle of the heart, cardiac muscle (myocardium). Under control of autonomic nervous system
Aponeurosis
A strong, flat sheet (tendon) of fibrous connective tissue that serves as a tendon to attach muscles to bone or as fascia to bend muscles together or to other tissues at their origin or insertion
Ataxia
Lack of muscular coordination, an inability to coordinate voluntary muscular movements that is symptomatic of some nervous disorders
Atonic
Pertaining to a lack of normal tone or tension; the lack of normal muscle tone
Atrophy
Literally means ‘a lack of nourishment’; wasting away if muscular tissue that may be caused by lack of use or lack of nerve stimulation of the muscle.
Biceps
Muscle with two heads or points of origin
Brachialgia
Pain in the arm
Bradykinesia
Slowness of motion or movement
Clonic
Pertaining to alternate contraction and relaxation of muscles
Contraction
Process of drawing up and thickening of a muscle fiber
Contracture
Condition in which a muscle shortens and renders the muscle resistant to the normal stretching process
Dactylospasm
Medical term for cramp of a finger or toe
Dermatomyositis
Acute or chronic disease with systemic pathology; inflammation of the muscles and the skin; a connective tissue disease characterized by edema, dermatitis, and inflammation of the muscles. Occurs in children and adults, and in the latter may be associated with neoplastic disease (cancer) or other disorders of connective tissue.
Diaphragm
Partition of muscles and membranes that separates the chest cavity and the abdominal cavity. It is the major muscle of breathing
Diathermy
Treatment using high-frequency current to produce heat within a part of the body; used to increase blood flow but should not be used in acute stage of recovery from trauma
Dystonia
Condition of impaired muscle tone
Dystrophin
Protein found in muscle cells. When the gene that is responsible for this protein is defective and sufficient dystrophin is not produced, muscle wasting occurs.
Dystrophy
Any condition of abnormal development caused by defective nourishment, often noted by the degeneration of muscles
Exercise
Performed activity of the muscles for improvement of health or correction of deformity
Fascia
Thin layer of connective tissue covering, supporting, or connecting the muscles or inner organs of the body
Fasciitis
Inflammation of a fascia
Fatigue
State of tiredness occurring in a muscle as a result of repeated contraction
Fibromyalgia syndrome (FMS)
Disorder with chronic, widespread musculoskeletal (MS) pain and fatigue. Other symptoms include sleep disorders, irritable bowel syndrome, depression, and chronic headaches. Although the exact cause of fibromyalgia is unknown, it is often traced to an injury or physical or emotional trauma
Fibromyitis
Inflammation of muscle and fibrous tissue; also known as fibromyositis
First Aid Treatment- RICE (Rest Ice Compression Elevation
Cryotherapy (use of cold)
Compression
Elevation
Flaccid
Lacking muscle tone; weak, soft, flabby
Heat
Thermotherapy; treatment using scientific application of heat can be used 48-72 hours after the injury.
Hydrotherapy
Treatment using scientific application of water
Insertion
Point of attachment and d a muscle to the part that it moves
Intramuscular (IM)
Pertaining to WITHIN a muscle, such as an IM injection
Isometric
Literally means ‘pertaining to having equal measure’; increasing tension of muscle while maintaining equal length
Isotonic
Pertaining to having the same tone or tension
Levator
Muscle that raises or elevates a part
Muscle spasm
Involuntary contraction of one or more muscles; usually accompanied by pain and the limitation of function
Muscular dystrophy (MD)
Refers to a a group of genetic diseases characterized by progressive weakness and degeneration of the skeletal or voluntary muscles that control movement. The muscles of the heart and some other involuntary muscles are also affected in some forms of MD, and a few forms involve other organs as well.
Myalgia
Pain in the muscle
Myasthenia gravis (MG)
Chronic autoimmune neuromuscular disease characterized by varying degrees of weakness of the skeletal (voluntary) muscles of the body. Name literally means grave muscle weakness.
Myoblast
Embryonic cell that develops into a cell of muscle fiber
Myofibroma
Tumor that contains muscle and fiber
Myograph
Instrument used to record muscular contractions
Myokinesis
Muscular motion or activity
Myoma
Tumor containing muscle tissue
Myomalacia
Softening of muscle tissue
Myoparesis
Weakness or slight paralysis of a muscle
Myopathy
Muscle disease
Myoplasty
Surgical repair of a muscle
Myorrhaphy
Surgical suture of a muscle wound
Myosarcoma
Malignant tumor derived from muscle tissues
Myosclerosis
Abnormal condition of hardening of muscle
Myositis
Inflammation of muscle tissue, especially skeletal muscles; may be caused by infection, trauma, or parasitic infestation
Myospasm
Spasmodic contraction of a muscle
Myotome
Surgical instrument used to cut muscle
Myotomy
Surgical incision into a muscle
Neuromuscular
Pertaining to both nerves and muscles
Neuromyopathic
Pertaining to a disease condition involving both nerves and muscles
Polyplegia
Paralysis affecting many muscles
Position
Bodily posture or attitude
1) Anatomic
2) Dorsal recumbent
3) Fowler
4) Knee-Chest
5) lithotomy
6) orthopneic
7) prone
8) Sims
9) supine
10) Trendelenburg
Prosthesis
Artificial device used to replace an organ or body part such as a hand, arm, leg, or hip.
Quadriceps
Muscle that has four heads or points of origin
Relaxation
Process in which a muscle loosens and returns to a resting stage
Rhabdomyoma
Tumor of striated muscle tissue
Rheumatism
General term of sed to describe conditions characterized by inflammation, soreness, and stiffness is muscles and pain in joints
Rheumatology
Study of rheumatic diseases
Rheumatologist
One who specializes in rheumatic diseases
Rigor mortis
Stiffness is skeletal muscles seen in death; develops between the 4th and 24th hour after death, then ceases
Rotation
Process of moving a body part around a central access
Rotator cuff
Group of muscles and their tendons that act to stabilize the shoulder
Sarcolemma
Plasma membrane surrounding each striated muscle fiber
Spasticity
Condition of increased muscular tone causing stuff and awkward movements
Sternocleidomastoid
Muscle arising from the sternum and clavicle with its insertion in the mastoid process
Strain
Excessive, forcible stretching of a muscle or the musculotendinous unit
Synergetic
Pertaining to certain muscles that work together
Synovitis
Inflammation of a synovial membrane
Tendon
Band of fibrous connective tissue serving for the attachment of muscles to bones; a giant cell tumor of a tendon sheath is a benign, small, yellow, tumorlike nodule
Tenodesis
Surgical binding of a tendon
Tenodynia
Pain in a tendon
Tetany
Condition characterized by cramps, convulsion, twitching of the muscles, and sharp flexion of the wrist and ankle joints; generally caused by an abnormality in calcium (Ca) metabolism
Tonic
Pertaining to tone, especially muscular tension
Torsion
Process of being twisted
Torticollis
Stiff neck caused by spasmodic contraction of the muscles of the neck; sometimes called wryneck
Triceps
Muscle having three heads with a single insertion
Voluntary
Under the control of one’s will