Notes, summaries, assignments, exams, and problems for Sport and physical education

Volleyball

Volleyball was invented by William G. Morgan in 1895 in Massachusetts.

Team Composition

• Two teams of six players each (three forwards and three defenders).

Ball Specifications

• Weight: 260-280 grams
• Circumference: 65-67 cm
• Color: Typically red

Net Dimensions

• Width: 1 meter
• Height: 2.43 meters (men), 2.24 meters (women)

Scoring

• Sets are won by reaching 25 points with a two-point difference.
• Matches are typically best of five sets.
• If teams are tied after four sets, a fifth set is played to 15 points with a two-point difference.

Gameplay Fundamentals

The Serve

The serve initiates play. It involves sending the ball with speed and accuracy from behind the service line to the opponent's court. The purpose is to score a direct point or hinder the opponent'...

WHO Definitions (1983)

For the WHO (1983), impairment is any loss or abnormality of structure or function, psychological, physiological, or anatomical; disability relates to the absence, due to impairments, of the ability to perform an activity in the manner or within the range considered normal for a human being; and handicap refers to a disadvantage for an individual, a social consequence of impairment or disability that limits or prevents the fulfillment of a role considered normal depending on age group, sex, social, and cultural factors.

For WHO, disability is the lack (resulting from an impairment) of the ability to perform an activity normally.

Disability Definition in Chile (Ley 19.284)

DISABILITY: According to Ley 19.284, a person is considered...

Training

Definition

A set of tasks, activities, or exercises designed to improve capabilities and enhance performance. It is a process that develops over time, involves planning and scheduling, and produces physiological changes.

Types of Training

• General Training: Aims to improve overall health and functional capabilities using global exercises and activities.
• Specific Training: Focuses on improving a particular aspect or field, including technical, tactical, physical, and psychological training.

Key Concepts

• Stimulus: A cause that prompts the body to adapt to changing needs.
• Adaptation: The body's ability to maintain a constant balance of its functions in response to external stimuli.
• Load: The physical stimulus exerted on the athlete's body during

Accident Phases

An accident is an event that unfolds in time and space, typically divided into three distinct phases:

Perception Phase

This is where the driver or pedestrian perceives danger. It includes:

• Possible Perception Point: The time and place where an abnormal situation could be perceived by an ordinary person.
• Real Perception Point: The time and place where the driver or pedestrian actually perceives the abnormal situation for the first time.

Decision Phase

This phase begins after perception, when the driver decides on a course of action to mitigate the perceived dangers. It involves information processing, rationalization, and decision-making.

Evasive actions can be categorized as:

• Simple Passive Evasion: Actions like honking the horn or flashing

Amputations are classified according to the anatomical level where the limb is removed. This classification is important for surgical planning, prosthetic fitting, rehabilitation, and functional outcomes.

Upper Limb Amputation Levels

Partial Hand Amputations

• Finger Amputation: Removal of one or more fingers.
• Ray Amputation: Removal of finger(s) including the metacarpal bone.
• Transmetacarpal Amputation: Amputation through the palm, across the metacarpals.

Wrist Disarticulation

The entire hand is removed at the wrist joint. This procedure preserves full forearm length but results in limited space for prosthetic fitting.

Forearm (Transradial) Amputation

Amputation performed through the radius and ulna. It is classified based on the percentage of forearm...

The Snail and the Squirrel Race

Once upon a time, there was a squirrel who constantly made fun of the snail's slowness. The snail, tired of the teasing, challenged the squirrel to a race. The squirrel, confident in his speed, accepted the challenge immediately.

The snail, although he knew he was slower than the squirrel, accepted the challenge with humility. The race began, and the squirrel took a big advantage at first, running fast along the road. However, as the race progressed, the squirrel felt confident and stopped to rest under a tree. "There's no way the snail will reach me now!" the squirrel thought while picking fruits to eat.

Meanwhile, the snail continued to advance step by step, without stopping or losing its rhythm. Although it was...

Nutrition: The Foundation of Health

1.1 Definition

Nutrition is the study of foods and their impact on our growth and well-being. It encompasses the behaviors and social factors that influence our food choices.

Foods provide us with energy (calories) and essential nutrients such as protein, fat, carbohydrates, vitamins, minerals, and water. Consuming a balanced diet provides the energy we need for daily activities, helps maintain a healthy weight, and reduces the risk of chronic diseases like diabetes and heart disease.

Metabolism: The Body's Energy Engine

2.1 Definition

Metabolism refers to the chemical processes that occur within living cells and organisms to sustain life. These processes involve breaking down substances to release energy and synthesizing...

Physiological Changes Due to Aging

As we age, several physiological changes occur in our bodies. Here's a breakdown of the key changes:

Changes in the Nervous System

During aging, reaction and movement times slow down. The brain's weight, network size, and blood flow decrease.

Changes in the Gastrointestinal System

Aging leads to a reduction in the production of hydrochloric acid, digestive enzymes, and saliva. These changes can result in delayed stomach emptying and impaired swallowing. The breakdown and absorption of food may also be affected. The liver becomes less efficient in metabolizing drugs and repairing damaged cells.

Changes in the Urinary System

With age, kidney mass decreases, leading to reduced blood filtration. Bladder capacity decreases,...

Unit 8: Volleyball Passes

Forward, Back, and Side Passes

We execute these passes using our fingers. In the forward pass, we place our hands in front of our forehead to hit the ball. For back and side passes, the hands are placed above our head. These passes are used almost exclusively when attacking.

Serve Reception

Receive the ball in a "W" formation. The setter is the player in the third or second position, depending on the chosen strategy.

Attack Techniques

• Backward attack with a semi-short pass or a forward attack with a short pass.
• Attack through the middle with a short or semi-short pass, or an attack by a player with a short or tense pass that just touches the net.

Unit 9: Body Language and Rhythm

Rhythm Defined

Rhythm is the order or proportion...

Polyhedron

A solid bounded by at least four polygonal faces.

Face

A polygonal surface of a solid figure.

Vertex of a Polyhedron

The point at which three or more edges meet.

Edge

A line segment where two faces of a polyhedron meet.

Diagonal of a Polyhedron

A line segment joining two vertices that are not on the same face.

Prisms

Polyhedra bounded by two parallel polygonal faces and several parallelogram faces. The side edges are all parallel and equally long.

The Height of the Prism

Perpendicular distance between the two parallel faces.

Right Prisms

A prism is a right prism if the sides are rectangles (or squares). In right prisms, the side edges are perpendicular to the bases. If the sides are not rectangles (rhomboids, for example), it is an oblique...