Heart and blood vessels
Heart Chambers & Valves
Heart Sounds - Opening and Closing of Valves, "Lub Dub"
EKG electrocardiogram a recording of the electrical events (changes) during a cardiac cycle
Decreases the angle of the joint
Brings two bones closer together
Typical of hinge joints like knee and elbow
Opposite of flexion
Increases angle between two bones
Very common movement, think of all the body parts that use
To go really really fast, you learn how to go really slow.
Is this a good strategy?
Your roommate in college runs for the track team. Often, they spend time in the pool
practicing, Runners do sprints, field events do throws.
What is the cro
What IS activity?
Our definition of physical activity
physical activity is defined as voluntary, intentionally performed movement.
Movements like breathing or the beating of our heart are involuntary movements,
meaning that the body performs t
Classify the following physical activities
Read the scenario, and decide what category is falls into.
There may be more than one right answer, IF you can defend it.
1. an athlete in the training room works to strengthen muscles in his right leg after a kn
Rectus FemorisAction- flex the hp
extend the knee
anterior pelvic rotation
Application-when hip is flexed, RF become shorter, which reduces knee flexion
Vastus Medialis action- extension of the
The focus of Kinesiology
Under the umbrella of P.A.
Why do people engage in exercise?
Improve or regain performance.
Cardiovascular, weight loss
Weight loss, muscle gain
What about enjoyment?
The subjective Experience of Physical Activity
4 truths of physical activity
Physical Activity is ALWAYS accompanied by subjective experience.
Subjective experiences of Physical Activity are unique!
We may not always pay attention to the subje
The Physical Activity Experience
How important is physical activity in your life, and how does it effect you?
There are two BASIC forms of this PA.
1) ADL- Activities of Daily Living
2) IADL-Instrumental Activities of Daily Living
The LANGUAGE of Kinesiology
We use special terminology to simplify what we are discussing
Exact terms are used for:
This is a CONSTANT position, despite HOW you are situated.
Palms always out
Tendons - tough, but flexible bands of connective tissue, connect the muscle to
the bones. Often at insertion points
Ligaments- connect bone to bone and help stabilize joints.
Slightly elastic so can stretch to gradually lengthen and more ease of f
The Experience of Physical Activity
Versus previous Physical Activity Experience
Definition of experience
Many different definitions, but most often it is an individuals reaction to an event, such
as joy, sadness, happy, frustration.
This is SUBJECTIVE EX