Chapter M: Muscles And Joints Flashcards
Buccinator
Located in the fleshy part of the check
Bucc/o
Cheek
Temporal
Located above and near the ear
Tempor/o
Temporal
Masseter
Located at the angle of the jaw
Raises the mandible and closes the jaw
Used when biting and chewing
Sternoceidomastoid
Extends from the sternum upward along the side of the neck to the mastoid process
Sometimes called sternomastoids
Stern/o
Sternum
Mastoid/o
Mastoid process
Trapezius
Triangular- shaped muscle that extends across the back of the shoulder, covers the back of the neck, and inserts on the clavicle and scapula
Latissimus dorsi
Originates from the vertebrae of the lower back, crosses the lower half of the thoracic region, and pusses between the humerus and scapula to insert on the anterior surface of the humerus
Dors/o
Back
pectoralis Major
Large, fan-shaped muscle
Crosses the upper part of the front of the chest
Originates from the sternum and crosses over to the humerus
Forms the antenor borderof the axilla (armpit)
Pector/o
Chest
Deltoid
Covers the shoulder joints
Biceps brachii
Has two heads
Both originate from the scapula and insert on the radius
Triceps brachii
Has three heads
Originate from the scapula and the humerus and insert onto the Olecranon process of the ulna (at the elbow)
Gluteus Maximus
Forms most of the fleshy part of the buttock
Large muscle that otters support when an individual is standing
Gluteus medius
Small muscle located above the upper outer quadrant of the gluteus Maximus muscle
Quadriceps femoris
Four muscles of the thigh
Hamstring muscles
Responsible for flexing the leg on the thigh and extending the thigh
Gastrocnemius
Main muscle of the calf
tibialis anterior
Positioned on the front of the leg
Arthralgia
Pain the joints
Symptoms present in many joint diseases
Arthr/o
Joint
-Algia
Pain
Ataxia
Without muscular coordination
A-
Without, not
Tax/o
Order
-ia
Condition
Atrophy
Wasting away
Without development
Troph/o
Development
-y
Noun ending
Bradykinesia
Abnormally slow movement
Brady-
Slow
- kinesia
Movement
Cardiac muscle
Specialized type of muscle that forms the walls of the heart
Type of involuntary muscle
Cardi/o
Heart
-Ac
Pertaining to
Contract / contraction
A reduction in size, especially muscle fibers
Contracture
An abnormal bending of a joint into a fixed position
Dyskinesia
A condition in which there is impairment of voluntary movement
Bad or difficult movement
Dys-
Bad, difficult, painful, disordered
Kines/o
Movement
-ia
Condition
Epicondylitis
Painful inflammation of the tissues surrounding the elbow
Tennis elbow
Epi-
Upon, over
Condyl/o
Condyle
Fascia
Thin sheet of fibrous connective tissue the penetrate and cover the entire muscle, holding the fibers together
Fibromyalgia
A chronic condition that is characterized by widespread muscle and pain throughout the body, muscle spasms, fatigue, and muscle stiffness
Fibr/o
Fiber
My/o
Muscle
hemiparesis
Slight or partial paralysis of one half of the body
Hemi-
Half
-paresis
Paralysis
Hemiplegia
Paralysis of one half of the body
Insertion
The point of attachment of a muscle to a bone it moves
Involuntary muscles
Muscles that act without conscious control
Controlled by the autonomic nervous system and hormones
Muscle fibers
Name given to the individual muscle cell
Myocele
Herniations of muscle through the muscular sheath (fascia) surrounding it
-cele
Swelling or herniation
Myoparesis
Slight or partial paralysis of a muscle
Origin
The point of attachment of a muscle to a bone that is less moveable
Paraplegia
Paralysis of the lower extremities of the body
Usually one to spinal cord injuries
Para-
Hear, beside, beyond, two like parts
Pelvic girdle weakness
Weakness of the muscles of the pelvic girdle
Muscle that extends the hip and the knee
Pseudohypertrophic muscular dystrophy
A form of muscular dystrophy that is characterized by progressive weakness and muscle tilers degeneration without evidence of nerve improvement or degeneration of nerve tissue
Duchenne’s muscular dystrophy
Pseud/o
False
Hyper-
Excessive
Troph/o
Development
-ic
Pertaining to
Quadriplegia
Paralysis of all four extenmities and the trunk of the body
Quadr/I
Four
Sacropenia
Loss of skeletal muscle mass that occurs with aging
Sarc/o
Flesh
-Penia
Decrease in
Deficiency
Skeletal muscle
Muscles that attach to the bones of the skeleton
Smooth muscle
Muscles sound in the walls of hollow organs and tubes
Also known as visceral muscles
Act involuntary
Striated muscle
Muscles that have a striped appearance when viewed under a microscope
Tendon
Strong fibrous band of tissue that extends from a muscle attaching it to the bone
Torso
Trunk
Trunk
Main part of the body
Also called torso
Muscular dystrophy
Group of genetically transmitted disorders characterized by progressive symmetrical wasting of skeletal muscles
Polymyositis
Chronic, progressive disease affecting the skeletal muscles
Characterized by muscle weakness of hips and arms and degeneration (atrophy)
Rotator cuff tear
A tear in the muscle that form a “cuff”’ over the upper end of the arm (head of the humerus)
Strains
Injury to the body of the muscle or attachment of the tendon, resulting from over stretching, overextension, or misuse
Muscle pull
Muscle biopsy
Extraction ot a specimen Of muscle tissue, through either a biopsy needle or an incisional biopsy, for the purpose of examining it under a microscope
Electromyography
Process of recording the strength of a muscle when it is stimulated by an electrical current
Electr/o
Electrical, electricity
-Graphy
The process of recording
IM
Intramuscular
MD
Muscular dystrophy
DTR
Deep tendon reflexes
EMG
Electromyography
Fibrous joint
The surfaces of the bones tit closely together and are held together by fibrous connective tissue
Suture between the skull bones
Immovable joint
Cartilaginous joint
Bones are connected by cartilage
As in the symphysis (joints between the pubs bones of the pelvis)
Allows limited movement
Synovial joint
Bones have space between them called the joint cavity
Hinge joints
Allows movement in one direction
Back-and-forth type of motion
Example would be the elbow
Ball-and-socket joint
Allows movement in many directions around a central area
Examples are the shoulder joint and the hip joint
Flexion
Bending motion
Decreases the angle between two bones
Extension
Straightening motion
Increases the angle between tho bones
Abduction
Movement of a bone away from the midline of the body
Adduction
Movement of a bone toward the midline Of the body
Rotation
Movement that involves the turning of a bone on its own axis
Supination
Act of turning the palm upon forward
Pronation
Act of turning the palm down or backward
Dorsiflexions
The foot narrows the angle between the leg and the top of the foot
Plantar flexion
The foot increases the angle between the leg and the top of the foot
Circumduction
Movement of an extremity around in a circular motion
Can be performed with a ball-and-socket joint
Arthralgia
Joint pain
articular cartilage
Thin layer of cartilage protecting and covering the connecting surfaces of the bones
Articulation
The point at which two bones come together
A joint
Bunion
Abnormal enlargement of the joint at the base of the great toe
Bunionectomy
Surgical removal of a bunion
Removing the bony overgrowth and the bursa
Bursa
A small sac that contains synovial fluid for lubricating the area around the joint where friction is most likely to occur
Burs/o
Bursa
Closed manipulation
The manual forcing of a joint back into its original position without making an incision
Closed reduction
Crepitation
Clicking or crackling sounds heard upon joint movement
Ganglionectomy
Surgical removal of a ganglion
Joint cavity
The space between two connecting bones
Kyphosis
Humpback
Kyph/o
Humpback
Pertaining to a hump
Ligaments
Connective tissue bands that join bone to bone, offering support to the joint
Malaise
A vague feeling of weakness
Needle aspiration
The insertion of a needle into a cavity for the purpose of withdrawing fluid
Photosensitivity
Increased reaction of the skin to exposure to sunlight
Sciatica
Inflammation of the sciatic nerve, marked by pain and tenderness along the path of the nerve through the thigh and leg
Subluxation
An incomplete dislocation
Suture
An immovable joint
Synovial fluid
A thick lubricating fluid located in synovial joints
Synovial membrane
The lining of a synovial joint cavity
Viscous
Sticky
Gelatinous
Adhesive capsulitis
Shoulder condition characterized by stiffness of the shoulder, limited shoulder movement, and pain
“Frozen shoulder”
Arthritis
Inflammation of joints
Ankylosing spondylitis
Type of arthritis that affects the vertebral column and causes deformities of the spine
Bunion (hallux valgus)
Abnormal enlargement of the joint at the base of the great toe
Dislocation
Displacement of a bone from its normal location within a joint, causing loss of function of the joint
Ganglion
Cystic tumor developing on a tendon
Sometimes occurring on the back of the wrist
Gout
Form of acute arthritis that is most often characterizes by inflammation of the first metatarsal joint of the great toe
Herniated disk
Rupture of the control portion, or nucleus, of the disk through the disk wall and into the spinal cord
Herniated nucleus pulposus
Lyme disease
Acute, recurrent, inflammatory infection transmitted through the bite of an infected deer tick
Osteoarthritis
Most common form of arthritis
Results from wear tear and on the joints
Degenerative joint disease
Rheumatoid arthritis
Chronic, systemic, inflammatory disease that affects multiple ants of the body
Systemic lupus erythematosus
Chronic inflammatory connective - tissue disease affecting the skin, joints, nervous system, kidneys, lungs, and other lungs
Arthrocentesis
Surgical puncture of a joint with a needle for the purpose of withdrawing fluid for analysis
Arthrogram
X-ray of a joint after infection of a contrast medium
Arthrography
Process of X-raying that inside of a joint after a contrast medium has been injected into the joint
Arthroplasty
Surgical reconstruction of a joint
Arthroscopy
Visualization of the interior of a joint by using an endoscope
Rheumatoid factor
Blood test that measures the presence of unusual antibodies that develop in a number Of connective tissue diseases
Erythrocytes sed rate
Blood test that measures the rate at which erythrocytes settle to the bottom of a test tune filled with unclotted blood