A-: Absence of, without 

Atrophy- Wasting away or reduction in muscle size due to lack of use, often resulting from prolonged immobility, nerve damage, or muscle disease.

ab-: Away from

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 

ad-: Toward

Abduction- Movement of a limb toward the midline of the body, such as bringing the arm or leg back to its resting position after abduction.

Brady-: slow 

Bradykinesia- Slowness of movement, often a symptom of neurological disorders like Parkinson's disease, affecting motor function and coordination.

dys-: Painful, difficult, abnormal, labored

Dystonia- A condition characterized by abnormal muscle tone or involuntary muscle contractions, which can lead to repetitive movements, abnormal postures, and impaired function

Hyper-: Above, excessive

Hypertonia- Excessive muscle tone, resulting in stiffness or rigidity, is commonly seen in conditions like cerebral palsy or stroke. 

Inter-: Between 

Intervertebral disc- A fibrocartilaginous structure located between the vertebrae of the spine, providing cushioning and flexibility.

intra-: within, in

intramuscular injection- an injection administered directly into a muscle, commonly used for vaccines or medication delivery.

poly-many, much 

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.

Sub- below, under 

Subscapularis muscle- A muscle located below the scapula (shoulder blade), playing a key role in the shoulder rotation and stabilization

Supra- Above

Suprapatellar- Refers to the area above the patella

(kneecap), commonly associated with the supratellar bursa, which reduces friction and allows smooth movement of the quadriceps tendon over the femur.

Sym-Together, joined 

Symphysis pubis- A cartilaginous joint where the two pubic bones meet in the pelvis, allowing slight movement for childbirth and pelvic flexibility. 

Syn- Together, joined

Synarthosis- a type of immovable joint where bones are joined together, such as in the skull, providing stability and protection to vital organs