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Kinesiology Dictionary

Please use this dictionary of professional kinesiology terms and definitions to help you learn. New terms and definitions will be added on a regular basis for you to learn from. I have decided to extend the dictionary to include terms and definitions from sciences that relate to and support being a kinesiologist or any other healthcare professional. Knowledge itself is power - use the dictionary to empower yourself. Please use the letters in blue below as links to get to the first letter of the term you are looking for. You will be transferred to another page containing those terms and definitions accordingly. Enjoy!

Term
Definition
Associated Field
MRI (Magnetic Resonance Imaging)
Imaging technique using magnetic fields and radio waves.
Medicine
Macrophage
Large immune cell that engulfs pathogens and debris.
Biology / Physiology
Macula
Central region of retina responsible for sharp vision.
Anatomy
Magnetic Resonance Imaging (MRI)
Imaging technique using magnetic fields and radio waves.
Medicine / Motion Analysis
Malabsorption
Impaired absorption of nutrients in the intestine.
Pathophysiology
Malaria
Parasitic disease transmitted by mosquitoes.
Pathophysiology
Malignant Tumor
Cancerous growth that can invade/spread.
Pathophysiology
Malnutrition
Condition due to inadequate or imbalanced nutrition.
Nutrition
Mammary Gland
Milk-producing gland in mammals.
Anatomy / Physiology
Mandible
Lower jawbone.
Anatomy
Mania
State of abnormally elevated mood or energy.
Psychology
Manometer
Device measuring pressure.
Physics / Medicine
Manual Muscle Test (MMT)
Assessment of muscle strength via resistance.
Exercise Testing
Marasmus
Severe malnutrition characterized by energy deficiency.
Nutrition / Pathophysiology
Marathon
Long-distance race of 42.195 km.
Exercise Physiology
Masseter
Muscle used for chewing.
Anatomy
Mast Cell
Immune cell releasing histamine in allergies.
Biology
Mastication
Process of chewing food.
Physiology
Max Heart Rate (HRmax)
Highest heart rate during maximal effort.
Exercise Testing
Maxilla
Upper jawbone.
Anatomy
Maximal Oxygen Uptake (VO₂max)
Maximum oxygen consumption capacity.
Exercise Physiology
McBurney’s Point
Abdominal landmark for appendicitis diagnosis.
Medicine
McMurray Test
Clinical test for meniscus injury.
Sport Injury
Mean Arterial Pressure (MAP)
Average blood pressure in arteries.
Physiology
Medial
Anatomical term meaning “toward midline.”
Anatomy
Medial Collateral Ligament (MCL)
Ligament stabilizing inside of knee joint.
Anatomy / Sport Injury
Median Nerve
Major nerve running through arm and wrist.
Anatomy
Medulla Oblongata
Brainstem region controlling vital functions.
Anatomy / Physiology
Meiosis
Cell division producing gametes.
Genetics
Melanin
Pigment responsible for skin, hair, eye color.
Biology
Melatonin
Hormone regulating sleep-wake cycle.
Physiology
Memory
Process of storing and retrieving information.
Psychology
Menarche
Onset of menstruation.
Physiology
Meniscectomy
Surgical removal of damaged meniscus.
Medicine
Meniscus
Crescent-shaped cartilage in knee.
Anatomy
Menopause
Permanent cessation of menstruation.
Physiology
Menorrhagia
Excessive menstrual bleeding.
Pathophysiology
Mental Health
Psychological well-being and functioning.
Psychology
Mental Imagery
Visualization technique for performance enhancement.
Sport Psychology
Mentorship
Guidance provided by an experienced individual.
Sociology
Mesencephalon
Midbrain region controlling vision and hearing.
Anatomy
Mesentery
Tissue anchoring intestines to abdominal wall.
Anatomy
Metabolism
Sum of all chemical processes in the body.
Physiology
Metacarpals
Bones of the hand between wrist and fingers.
Anatomy
Metatarsalgia
Pain in the ball of the foot.
Sport Injury
Metatarsals
Bones of the foot between ankle and toes.
Anatomy
Metencephalon
Brain region including pons and cerebellum.
Anatomy
Metformin
Drug used to manage type 2 diabetes.
Medicine
Metronome Training
Use of rhythm cues for exercise/rehab.
Exercise Prescription
Microfilaments
Cytoskeletal fibers involved in cell structure.
Biology
Microglia
CNS immune cells protecting neurons.
Neuroscience
Micronutrients
Vitamins and minerals needed in small amounts.
Nutrition
Microtubules
Cytoskeletal structures for cell transport.
Biology
Midbrain
Region of brainstem regulating motor control.
Anatomy
Midsagittal Plane
Divides body into equal left and right halves.
Anatomy
Migraine
Severe headache disorder with neurological symptoms.
Pathophysiology
Mild Cognitive Impairment
Intermediate stage between aging and dementia.
Psychology
Mineralocorticoids
Steroid hormones regulating fluid balance.
Physiology
Minerals
Inorganic nutrients essential for body functions.
Nutrition
Minimally Invasive Surgery
Surgical approach with small incisions.
Medicine
Minute Ventilation (VE)
Volume of air breathed per minute.
Exercise Physiology
Miosis
Constriction of pupil.
Physiology
Mitochondria
Organelles producing ATP.
Biology / Exercise Physiology
Mitosis
Cell division producing identical daughter cells.
Genetics
Mitral Valve
Valve between left atrium and ventricle.
Anatomy
Mitral Valve Prolapse
Condition with improper valve closure.
Pathophysiology
Mixed Methods
Research design combining qualitative and quantitative approaches.
Sociology
Mobile Phase
Moving solvent in chromatography.
Chemistry
Modeling
Learning through observation and imitation.
Sport Psychology
Moderate-Intensity Exercise
Exercise at 40–60% of VO₂max.
Exercise Prescription
Modulation
Adjustment of signal or physiological activity.
Physiology
Monocyte
Large white blood cell differentiating into macrophages.
Biology
Mononucleosis
Viral infection causing fatigue and swollen glands.
Pathophysiology
Monosaccharide
Simple sugar molecule (e.g., glucose, fructose).
Chemistry / Nutrition
Mood Disorder
Psychological disorder involving mood disturbance.
Psychology
Morbidity
Rate of disease in a population.
Pathophysiology / Sociology
Mortality Rate
Frequency of death in a population.
Sociology
Motivation
Internal/external drive to achieve goals.
Psychology / Sport Psychology
Motor Cortex
Brain region controlling voluntary movement.
Anatomy
Motor Development
Progressive changes in movement ability across lifespan.
Motor Behavior
Motor End Plate
Neuromuscular junction of muscle fibers.
Anatomy
Motor Learning
Process of acquiring/refining movement skills.
Motor Behavior
Motor Neuron
Nerve cell transmitting impulses to muscles.
Anatomy / Physiology
Motor Unit
Motor neuron and all the muscle fibers it innervates.
Physiology
Movement Economy
Efficiency of movement at submaximal workloads.
Exercise Physiology
Movement Pattern
Coordinated sequence of motor actions.
Motor Behavior
Movement Screening
Assessment of functional movement quality.
Exercise Testing
Multiaxial Joint
Joint allowing movement in multiple planes (e.g., hip).
Anatomy
Multitasking
Performing multiple tasks simultaneously.
Psychology
Muscle Biopsy
Procedure to sample muscle tissue.
Medicine / Exercise Physiology
Muscle Cramp
Involuntary painful contraction of muscle.
Sport Injury
Muscle Fatigue
Decline in muscle’s ability to generate force.
Exercise Physiology
Muscle Fiber
Muscle cell specialized for contraction.
Anatomy
Muscle Hypertrophy
Increase in muscle size due to training.
Strength & Conditioning
Muscle Memory
Ability to perform tasks automatically through practice.
Motor Behavior
Muscle Spindle
Sensory receptor detecting muscle stretch.
Physiology
Muscle Strength
Maximum force produced by a muscle.
Exercise Physiology
Myasthenia Gravis
Autoimmune disorder causing muscle weakness.
Pathophysiology
Myelin
Fatty sheath surrounding axons.
Anatomy / Physiology
Myocardial Infarction
Heart attack caused by blocked blood supply.
Pathophysiology / ECG
Myocardium
Muscular layer of the heart wall.
Anatomy
Myofibril
Contractile thread within muscle fibers.
Anatomy
Myoglobin
Protein in muscle storing oxygen.
Biochemistry
Myokine
Cytokine released by muscle during contraction.
Exercise Physiology
Myopathy
Disease affecting muscle tissue.
Pathophysiology
Myopia
Nearsightedness due to elongated eyeball.
Physiology
Myosin
Protein responsible for muscle contraction.
Anatomy / Physiology
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