KIN 399 Final Exam Study Guide: Physical Education Seminar

A comprehensive vocabulary review of 100 core concepts in strength training, exercise physiology, biomechanics, research measurement and evaluation, motor learning and development, adapted physical activity, and professional practice.

Progressive Overload

A foundational strength training principle that involves gradually placing greater demands on the body than it is accustomed to so it can adapt and improve.

Eccentric Strength Training

Resistance training programs that specifically emphasize muscle lengthening under tension.

Muscular Endurance

The ability of a muscle or muscle group to perform repeated contractions over time, typically improved through low resistance and high repetitions.

Isometric Exercise

A form of exercise where a muscle produces force without visible joint movement, allowing strengthening at a specific joint angle.

Circuit Training

A structured workout format that can effectively improve muscular strength, muscular endurance, and cardiorespiratory endurance simultaneously.

Cardiorespiratory Fitness

The health-related fitness component improved by engaging in $20\text{ minutes}$ of aerobic exercise, $3\text{ times}$ a week for $52\text{ weeks}$.

Mitochondrial Density and Oxidative Capacity

Key intracellular skeletal muscle adaptations that increase in response to chronic endurance training.

Aerobic Capacity ($VO_2\,\text{max}$)

The maximum rate at which the body can take up, transport, and utilize oxygen during maximal exercise, which increases after endurance training.

Motor Unit

The fundamental functional unit of the neuromuscular system, consisting of a single motor neuron and all the muscle fibers it innervates.

Antagonists

Muscles that produce actions and joint torques directly opposite to those produced by the primary movers (agonists).

Biomechanics

The study and application of mechanical principles, physics, and engineering to living organisms.

Kinetics

The branch of biomechanics focused on the study of forces and torques that cause or result from motion.

Newton's Third Law

The physical law stating that for every action, there is an equal and opposite reaction, as illustrated when a defensive football player stops a running back.

Torque

A turning or rotational force that causes an object or body segment to rotate around an axis.

Ligament

A band of dense fibrous connective tissue that connects bone to bone and functions to stabilize joints.

Supination

The rotational movement of the forearm that turns the palm upward.

Plantar Flexion

The movement at the ankle joint that pulls the foot downward or points the toes down.

Knee Extension

The muscle action occurring at the knee joint during the power phase of a standing long jump.

Mechanical Equilibrium

The physical state that occurs when a body is completely motionless or moving at a constant velocity without net acceleration.

Angular Motion

Movement of an object or body occurring around a central line, point, or rotational axis, such as a gymnast performing a somersault.

Abduction

The anatomical movement of a limb or body part, such as the upper arm, away from the midline of the body.

Anterior Deltoid

The anterior portion of the shoulder muscle group whose primary mechanical action is shoulder flexion.

Gluteus Medius and Gluteus Minimus

Hip abductor muscles that primarily stabilize the pelvis during walking and weight-bearing locomotion.

Kinesiology

The interdisciplinary study of human movement and physical activity.

Exercise

A specific subcategory of physical activity that is planned, structured, and purposeful.

Physical Activity

Any movement of the body produced by skeletal muscles that results in energy expenditure.

Exercise Epidemiology

The subdiscipline of kinesiology that investigates the relationships between physical activity and cardiovascular disease across large populations.

Interdisciplinary Nature of Kinesiology

The organizational feature of kinesiology that integrates diverse fields such as exercise physiology, biomechanics, and motor learning.

Evidence-Based Practice

The clinical and educational model of combining the best available scientific evidence, professional judgment, and individual client needs.

Measurement

The process of systematically collecting and assigning numerical values to a person's performance, attributes, or characteristics.

Evaluation

The process of interpreting measurement results and making a qualitative judgment or decision about them.

Criterion-Referenced Interpretation

Comparing an individual's performance against a predetermined set standard, threshold, or health requirement.

Norm-Referenced Interpretation

Comparing an individual's performance against the scores of peers or a broader normative reference group, such as reporting at the $75\text{th percentile}$.

Formative Evaluation

Evaluation conducted during an ongoing program or instructional period to monitor progress and modify training as needed.

Summative Evaluation

Evaluation conducted at the end of a program or intervention to judge its overall outcome, impact, or final effectiveness.

Levels of Measurement

The hierarchical classification of data scales ordered from lowest to highest: Nominal $\rightarrow$ Ordinal $\rightarrow$ Interval $\rightarrow$ Ratio.

Sources of Measurement Error

The three common factors that compromise test consistency and accuracy: tester error, equipment error, and environmental conditions.

Reliability

The consistency, reproducibility, and stability of a measurement or test when repeated under identical conditions.

Test-Retest Reliability

A method of establishing test consistency by administering the exact same test to the same group of people on two separate occasions.

Inter-Rater Reliability

The degree of agreement and scoring consistency achieved when two independent evaluators score the same movement performance.

Validity

The extent to which an assessment tool or test accurately measures what it was intended to measure.

Criterion-Related Validity

Evidence of test accuracy established by comparing a field assessment of aerobic capacity against a laboratory gold standard ($VO_2\,\text{max}$).

Independent Variable

The variable in an experiment that is manipulated, changed, or examined by the researcher (e.g., training frequency).

Dependent Variable

The outcome variable being measured or evaluated to see if it responds to changes in the independent variable (e.g., vertical-jump height).

Correlation vs. Causation

The scientific principle stating that statistical correlation demonstrates that variables are related, but other confounding factors may explain the relationship without proving cause and effect.

ATP (Adenosine Triphosphate)

The immediate biochemical energy source that directly powers muscular contraction.

ATP-PC System (Phosphagen System)

The primary anaerobic metabolic system that supplies immediate energy during high-intensity, maximal efforts lasting up to $6\text{ seconds}$.

Anaerobic Glycolysis

The metabolic pathway contributing energy during high-intensity exercise efforts that extend beyond the immediate ATP-PC window.

Aerobic (Oxidative) Energy System

The metabolic pathway that serves as the dominant source of ATP during prolonged, moderate-intensity exercise.

Fat Oxidation

The metabolic utilization of fats for energy that preserves stored glycogen (carbohydrates) during prolonged endurance activity.

Rapid Blood Lactate Rise

A physiological marker during incremental exercise indicating that the body is relying increasingly on anaerobic glycolysis as energy demand increases.

Cardiac Output Formula

The equation determining total blood volume pumped by the ventricles per minute: $\text{Cardiac Output} = \text{Heart Rate} \times \text{Stroke Volume}$ ($Q = HR \times SV$).

Stroke Volume Adaptation

The training-induced increase in blood volume pumped per beat that allows endurance-trained individuals to maintain a lower heart rate at the same submaximal workload.

Absolute Intensity

The actual physical workload, speed, resistance, or power output performed by the body during exercise.

Relative Intensity

The physiological difficulty or effort of an exercise workload evaluated relative to an individual's personal fitness capacity.

Chronic Aerobic Adaptations

Long-term physiological adaptations to endurance training that include increased stroke volume, lower resting heart rate, and increased mitochondrial density.

Progression Principle

The exercise principle of gradually increasing exercise intensity, duration, or workload over time as physiological adaptations occur.

Specificity Principle

The training principle stating that physiological adaptations are specific to the type of exercise, energy systems, and movement patterns trained.

Early Neural Adaptations

Strength increases during the initial weeks of resistance training that occur before muscle hypertrophy because the nervous system becomes more efficient at activating muscles and coordinating movements.

Concentric Contraction

A dynamic muscle contraction in which the muscle produces tension while actively shortening.

Eccentric Contraction

A dynamic muscle contraction in which the muscle produces tension while actively lengthening under load.

Isometric Contraction

A static muscle contraction in which tension is generated without any visible joint movement or change in muscle length.

Quadriceps

The anterior thigh muscle group primarily responsible for knee extension.

Tendon

A tough band of fibrous connective tissue that connects muscle to bone.

Linear Momentum

The amount of linear motion an object possesses, calculated based on its mass and linear velocity.

Impulse

The product of force applied over a period of time that produces a change in an object's momentum.

Landing Force Attenuation

The biomechanical strategy of flexing the hips, knees, and ankles during landing to lengthen deceleration time and reduce peak impact force.

Moment Arm

The perpendicular distance between the axis of rotation and the line of action of an applied force.

Newton's First Law

The law of inertia stating that an object remains at rest or continues moving at constant speed and direction unless acted upon by an outside net force.

Newton's Second Law

The mechanical law stating that acceleration depends on the net force applied and the object's mass ($F = m \times a$), where greater net force produces greater acceleration.

Kinematics

The branch of biomechanics that describes motion, such as speed, position, velocity, and acceleration, without considering the forces causing it.

Kinematic Variables

Descriptive kinematic parameters of human motion that include joint angles, displacement, velocity, and knee angular velocity.

Kinetic Variables

Biomechanical cause-and-effect parameters that include ground-reaction forces, internal muscular forces, and knee joint torque.

Moment of Inertia

A body's mechanical resistance to changes in its rotational motion, determined by mass and the distribution of that mass relative to the axis of rotation.

Conservation of Angular Momentum

The biomechanical principle stating that if total angular momentum is conserved and moment of inertia decreases (e.g., tucking limbs in a somersault), angular velocity increases.

Center of Mass

The specific theoretical point where the entire mass of the body is considered to be evenly balanced in all directions.

Base of Support

The supporting surface area beneath an object or body bounded by contact points; widening it increases mechanical stability.

Line of Gravity

An imaginary vertical line passing downward from the center of mass; stability is maximized when this line remains well inside the base of support.

Linear Motion

Movement occurring along a straight line in which all parts of a body travel the same distance in the same direction.

Adduction

The anatomical movement of a limb or body part toward the central midline of the body.

Growth

A quantitative physical increase in anatomical size, such as changes in height, weight, or body dimensions.

Maturation

The qualitative process of developing biologically and becoming more functionally and structurally advanced.

Motor Development

The continuous, lifelong process of progressive change in movement abilities and motor skills across the lifespan.

Locomotor Skills

A broad category of fundamental movement skills that propel the body through space from one location to another (e.g., running and hopping).

Object-Control (Manipulative) Skills

A broad category of fundamental movement skills that involve handling, projecting, receiving, or controlling an object (e.g., throwing and catching).

Motor Learning

A relatively lasting improvement in the capability to perform a motor skill that occurs as a direct result of practice or experience.

Cognitive Stage of Learning

The initial stage of motor learning in which a beginner consciously thinks through each step and mechanical component of a new skill.

Associative Stage of Learning

The intermediate stage of motor learning in which a learner refines mechanics, makes fewer errors, and detects movement mistakes with practice.

Autonomous Stage of Learning

The advanced stage of motor learning where a highly skilled performer executes movements automatically with little to no conscious attention.

Blocked Practice

A practice organization schedule in which the learner repeatedly executes the same skill several times before switching to another skill.

Random Practice

A practice structure that mixes different skills in an unpredictable order, forcing learners to continually retrieve and adjust movements to strengthen long-term retention.

Whole Practice

An instructional technique where a motor skill is taught, demonstrated, and practiced in its entirety from start to finish.

Part Practice

An instructional method that breaks a complex motor skill into smaller components that are taught separately before combining them.

Massed Practice

A practice distribution schedule characterized by relatively little rest or recovery time between successive practice attempts.

Distributed Practice

A practice schedule that provides longer rest or recovery periods between practice attempts or training sessions.

Constant Practice

A practice schedule in which a performer repeatedly rehearses a single motor skill under unchanging, identical conditions.

Variable Practice

A practice schedule in which a performer practices a skill while systematically changing task conditions, such as distance, speed, or direction.

Knowledge of Performance (KP)

Augmented feedback that describes the movement quality or biomechanical execution of a skill (e.g., 'Your elbow dropped during the throw').

Knowledge of Results (KR)

Augmented feedback that provides information regarding the outcome or external success of a movement (e.g., 'The ball landed two meters short').

Intrinsic Feedback

Sensory information that comes naturally from internal and external sensory systems, such as seeing, hearing, or feeling a movement execution.