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13 musculoskeletal prefixes
Lesson 4 Assignment
13
Medical
Not Applicable
01/28/2026

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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 laterally, 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.

     

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