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Musculoskeletal System
Medical Terminology
76
Anatomy
Not Applicable
10/02/2025

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Cards

Term
a
Definition
Absence of, without Example: Atrophy – Wasting away or reduction in muscle size due to lack of use, often resulting from prolonged immobility, nerve damage, or muscle disease.
Term
ab
Definition
Away from Example: Abduction – Movement of a limb away from the midline of the body, such as raising the arm or leg to the side, common in physical therapy and exercise routines.
Term
ad
Definition
Toward Example: Adduction – Movement of a limb toward the midline of the body, such as bringing the arm or leg back to its resting position after abduction.
Term
Brady
Definition
Slow Example: Bradykinesia – Slowness of movement, often a symptom of neurological disorders like Parkinson’s disease, affecting motor function and coordination.
Term
dys
Definition
Painful, difficult, abnormal, labored Example: Dystonia – A condition characterized by abnormal muscle tone or involuntary muscle contractions, which can lead to repetitive movements, abnormal postures, and impaired function.
Term
hyper
Definition
Above, excessive Example: Hypertonia – Excessive muscle tone, resulting in stiffness or rigidity, commonly seen in conditions like cerebral palsy or stroke.
Term
inter
Definition
Between Example: Intervertebral disc – A fibrocartilaginous structure located between the vertebrae of the spine, providing cushioning and flexibility
Term
intra
Definition
Within, in Example: Intramuscular injection – An injection administered directly into a muscle, commonly used for vaccines or medication delivery.
Term
poly
Definition
Many, much Example: Polydactyly – A congenital condition characterized by having more than the normal number of fingers or toes, which may require surgical correction for functional or cosmetic reasons.
Term
sub
Definition
Below, under Example: Subscapularis muscle – A muscle located below the scapula (shoulder blade), playing a key role in shoulder rotation and stabilization.
Term
supra
Definition
Above Example: Suprapatellar – Refers to the area above the patella (kneecap), commonly associated with the suprapatellar bursa, which reduces friction and allows smooth movement of the quadriceps tendon over the femur.
Term
sym
Definition
Together, joined Example: Symphysis pubis – A cartilaginous joint where the two pubic bones meet in the pelvis, allowing slight movement for childbirth and pelvic flexibility.
Term
syn
Definition
Together, joined Example: Synarthrosis – A type of immovable joint where bones are joined together, such as in the skull, providing stability and protection to vital organs
Term
al
Definition
Pertaining to Example: Femoral – Pertaining to the femur, the largest bone in the body, located in the thigh
Term
algia
Definition
Pain Example: Myalgia – Pain in a muscle, often caused by overuse, injury, or systemic conditions like fibromyalgia.
Term
ar
Definition
Pertaining to Example: Patellar – Pertaining to the kneecap (patella), a small bone that protects the knee joint and assists in movement.
Term
asthenia
Definition
Weakness Example: Myasthenia – Muscle weakness, commonly associated with conditions like myasthenia gravis, an autoimmune disorder affecting neuromuscular function.
Term
centesis
Definition
Surgical puncture to aspirate fluid Example: Arthrocentesis – Surgical puncture of a joint to remove fluid for diagnostic or therapeutic purposes, often used to relieve swelling or analyze joint conditions.
Term
clasia
Definition
Break Example: Osteoclasia – Surgical breaking of bone tissue to correct deformities or aid in the healing process in severe cases.
Term
clast
Definition
Break Example: Osteoclast – A specialized bone cell that breaks down bone tissue during bone remodeling and repair.
Term
desis
Definition
Surgical fixation, fusion Example: Arthrodesis – Surgical fusion of a joint to provide stability and reduce pain, often used for severe arthritis
Term
ectomy
Definition
Excision, surgical removal, cutting out Example: Tenectomy – Surgical removal of part of a tendon, often performed to treat chronic tendon inflammation or injury.
Term
gram
Definition
The record, radiographic image Example: Myogram – A record of muscle contraction activity, often used to diagnose neuromuscular disorders.
Term
graph
Definition
Process of recording, radiographic imaging Example: Arthrography – Imaging of a joint using contrast dye to assess joint structures such as cartilage, ligaments, and bones.
Term
ic
Definition
Pertaining to Example: Thoracic – Pertaining to the thorax (chest), which houses the lungs, heart, and other vital structures.
Term
itis
Definition
Inflammation Example: Myositis – Inflammation of muscle tissue, which can be caused by infections, autoimmune disorders, or trauma.
Term
lysis
Definition
Loosening, separating, dissolution Example: Osteolysis – Destruction or dissolution of bone tissue, often seen in conditions like bone metastasis or infection.
Term
malacia
Definition
Softening Example: Chondromalacia – Softening of cartilage, particularly in the knee, leading to pain and difficulty with movement.
Term
oid
Definition
Resembling Example: Myeloid – Resembling bone marrow, often used to describe cells or tissues related to hematopoiesis.
Term
oma
Definition
Tumor Example: Rhabdomyoma – A benign tumor of muscle tissue, typically found in the heart or skeletal muscles.
Term
osis
Definition
Abnormal condition Example: Scoliosis – Abnormal curvature of the spine, which can cause back pain, reduced mobility, and postural issues.
Term
penia
Definition
Abnormal reduction Example: Sarcopenia – Loss of muscle mass and strength, often associated with aging, inactivity, or poor nutrition.
Term
physis
Definition
Growth Example: Epiphysis – The growth end of a long bone, critical during childhood and adolescence for bone elongation.
Term
plasty
Definition
Surgical repair Example: Myoplasty – Surgical repair or reconstruction of damaged or weakened muscle tissue.
Term
rrhaphy
Definition
Suturing, repairing Example: Tenorrhaphy – Suturing of a torn or severed tendon to restore function and stability.
Term
sarcoma
Definition
Malignant tumor Example: Osteosarcoma – A malignant bone tumor commonly affecting children and young adults, requiring surgical and medical treatment.
Term
scopy
Definition
Process of viewing, visual examination Example: Arthroscopy – Visual examination of a joint using a specialized instrument to diagnose and treat joint conditions.
Term
tomy
Definition
incision, cut into Example: Myotomy – Surgical incision into a muscle, often performed to relieve tightness or treat muscle disorders.
Term
trophy
Definition
Nourishment, development Example: Hypertrophy – Excessive development of tissue or an organ, commonly referring to increased muscle size due to exercise or compensatory growth.
Term
my/o
Definition
Muscle Example: Myopathy – Any disease of the muscle, often resulting in weakness, pain, or dysfunction, such as in muscular dystrophy or inflammatory myopathies.
Term
myel/o
Definition
Marrow (bone), spinal cord Example: Myelitis – Inflammation of the spinal cord or bone marrow, which can cause neurological symptoms, weakness, or immune system dysfunction
Term
oste/o
Definition
Bone Example: Osteoporosis – A condition characterized by a decrease in bone density, leading to brittle bones and an increased risk of fractures, especially in the hips, spine, and wrists.
Term
patella/o
Definition
Patella, kneecap Example: Patellar – Pertaining to the kneecap, a small bone that protects the knee joint and facilitates leg extension.
Term
pelv/i
Definition
Pelvis, pelvic bone Example: Pelvimetry – Measurement of the dimensions of the pelvis, often used in obstetrics to assess the feasibility of vaginal childbirth.
Term
pelv/o
Definition
Pelvis, pelvic bone Example: Pelvectomy – Surgical removal of part or all of the pelvis, typically performed to treat advanced cancers or severe trauma.
Term
petr/o
Definition
Stone Example: Petrous – Resembling stone or pertaining to the petrous part of the temporal bone, which houses the inner ear structures.
Term
phalang/o
Definition
Bones of the fingers and toes Example: Phalangeal – Pertaining to the bones of the fingers or toes, essential for dexterity and movement.
Term
plant/o
Definition
Sole of the foot Example: Plantar fasciitis – Inflammation of the fascia on the sole of the foot, causing heel pain and discomfort, often due to overuse or improper footwear.
Term
pub/o
Definition
Pubis (hipbone) Example: Pubofemoral – Pertaining to the pubis and femur, such as the pubofemoral ligament, which supports the hip joint.
Term
rachi/o
Definition
Vertebral spine, vertebral column Example: Rachialgia – Pain in the vertebral column, often caused by conditions like arthritis, herniated discs, or muscular strain.
Term
rhabd/o
Definition
Rod-shaped, striated Example: Rhabdomyolysis – A condition involving the breakdown of striated muscle fibers, leading to the release of muscle contents into the bloodstream, potentially causing kidney damage.
Term
sarc/o
Definition
Flesh, connective tissue Example: Sarcoma – A malignant tumor of connective tissue such as bone, muscle, or fat, often requiring surgical and medical treatment.
Term
scoli/o
Definition
Crooked, curved Example: Scoliosis – Abnormal lateral curvature of the spine, which can cause back pain, posture issues, and in severe cases, breathing difficulties.
Term
spongyl/o
Definition
Vertebra, spine, vertebral column Example: Spondylitis – Inflammation of the vertebrae, often seen in conditions like ankylosing spondylitis, causing stiffness and pain in the spine.
Term
tars/o
Definition
Tarsals, ankle bones Example: Tarsalgia – Pain in the ankle bones, often caused by arthritis, injury, or overuse.
Term
ten/o
Definition
tendin/o, tend/o: Tendon Example: Tenosynovitis – Inflammation of a tendon and its surrounding synovial sheath, often caused by repetitive movement or injury.
Term
vertebr/o
Definition
Vertebra, spine, vertebral column Example: Vertebral – Pertaining to a vertebra, one of the interlocking bones that make up the spinal column, providing support and protection for the spinal cord.
Term
BDT = Bone Density Testing
Definition
A diagnostic test used to measure bone mineral density (BMD) and determine the strength of bones. It is commonly used to diagnose conditions like osteoporosis and assess fracture risk. Techniques include dual-energy X-ray absorptiometry (DEXA).
Term
CTS = Carpal Tunnel Syndrome
Definition
A condition caused by compression of the median nerve as it passes through the carpal tunnel in the wrist. Symptoms include pain, numbness, and tingling in the hand and fingers, often associated with repetitive motions like typing or assembly work.
Term
EMG = Electromyography
Definition
A diagnostic procedure that measures the electrical activity of muscles in response to nerve stimulation. EMG is used to evaluate muscle weakness, nerve dysfunction, or neuromuscular disorders
Term
MD = Muscular Dystrophy
Definition
A group of genetic disorders that cause progressive muscle weakness and degeneration. Types of muscular dystrophy include Duchenne muscular dystrophy (most common) and Becker muscular dystrophy, among others.
Term
MG = Myasthenia Gravis
Definition
A chronic autoimmune disorder that disrupts communication between nerves and muscles, leading to muscle weakness. Symptoms often include drooping eyelids (ptosis), difficulty swallowing, and fatigue with activity.
Term
OA = Osteoarthritis
Definition
A degenerative joint disease caused by the breakdown of cartilage within joints. Common symptoms include joint pain, stiffness, and reduced mobility. OA primarily affects weight-bearing joints such as the knees, hips, and spine.
Term
OP = Osteoporosis
Definition
A condition characterized by a decrease in bone density, making bones weak, brittle, and more prone to fractures. It often affects older adults, especially postmenopausal women, due to reduced levels of estrogen
Term
OT = Occupational Therapy
Definition
A therapeutic approach focused on enabling individuals to perform meaningful daily activities and tasks despite injury, illness, or disability. OT helps patients regain independence in activities of daily living and adapt to physical or cognitive limitations.
Term
PKR = Partial Knee Replacement
Definition
A surgical procedure in which only the damaged part of the knee joint is replaced with a prosthesis. PKR is an alternative to total knee replacement for patients with localized arthritis in one compartment of the knee.
Term
PMR = Polymyalgia Rheumatica
Definition
An inflammatory disorder that causes muscle pain and stiffness, particularly in the shoulders, neck, and hips. PMR is more common in older adults and is often associated with systemic inflammation, such as in giant cell arteritis
Term
RA = Rheumatoid Arthritis
Definition
A chronic autoimmune disease that causes inflammation in the joints, leading to pain, swelling, stiffness, and deformities. Unlike osteoarthritis, RA often affects smaller joints and can involve systemic symptoms like fatigue and fever.
Term
ROM = Range of Motion
Definition
The extent of movement a joint or muscle can achieve in various directions. It is often assessed in physical therapy, injury evaluation, or post-surgery rehabilitation to determine joint health or progress of recovery
Term
RSD = Repetitive Stress Disorder
Definition
Definition: A condition caused by repetitive motion or overuse of muscles, tendons, or nerves, leading to pain, inflammation, or injury. Common examples include tennis elbow and carpal tunnel syndrome.
Term
THR = Total Hip Replacement
Definition
Definition: A surgical procedure in which the damaged hip joint is replaced with an artificial prosthesis. THR is often performed for severe arthritis or hip fractures, restoring function and relieving pain.
Term
TKR = Total Knee Replacement
Definition
Definition: A surgical procedure in which the entire knee joint is replaced with a prosthesis. TKR is used to treat severe arthritis or joint damage that significantly impacts mobility and quality of life.
Term
Achilles Tendon
Definition
Named After: Achilles, a hero of Greek mythology.
The tendon that connects the calf muscles (gastrocnemius and soleus) to the heel bone (calcaneus). It plays a critical role in walking, running, and jumping. Frequently injured in sports, leading to conditions such as Achilles tendinitis or ruptures
Term
Paget's Disease of Bone
Definition
Named After: Sir James Paget, a British surgeon.
A chronic bone disorder causing abnormal bone remodeling, leading to weakened, enlarged, and deformed bones. It commonly affects the pelvis, skull, spine, and legs. Early diagnosis is essential to prevent fractures and manage symptoms.
Term
Baker's Cyst
Definition
Named After: William Morrant Baker, a British surgeon.
A fluid-filled sac located behind the knee, often resulting from joint inflammation or conditions like arthritis. A Baker’s cyst is common in patients with osteoarthritis or knee injuries. It can cause swelling, discomfort, and limited knee movement.
Term
Erb’s Palsy
Definition
Named After: Wilhelm Heinrich Erb, a German neurologist.
A condition caused by injury to the brachial plexus, often during birth or trauma. It leads to weakness or paralysis in the shoulder and elbow muscles. Early diagnosis and intervention through physical therapy are essential for improving outcomes in affected individuals.
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