The Muscular system
What do Tendons attach?
Muscle to Bone
What does the nervous system have to do with muscles?
it is the major controlling mechanism of muscles, the brain is what tells the muscles what to do
Example of isometric contraction
holding a cup of coffee
muscle contracts but does not shorten
What is the difference between Aerobic and Anaerobic, provide and example
Anaerobic- production of energy in the absence of oxygen (sprinting, powerlifting)
Aerobic- The process of using oxygen to produce energy (low intensity cardio, walking
What are the 5 healthy related fitness components?
1. Muscular Endurance
2. Cardiorespiratory Endurance
3. Muscular Strength
4. Flexibility
5. Body Composition
What do ligaments attach?
Bone to Bone
How much weight do muscles make up in the body approximately?
Half your body weight approximately
What type of muscle is found in visceral organs (hollow organs)?
provide example
Involuntary (smooth) muscle
liver
kidney
spleen
stomach
What is 1 rep max a measurement of?
Muscular strength
What are the two types of stretching for flexibility and describe them both
Dynamic: the ability to complete a full range of motion of a joint, controls movement as speed increases while stretching parts of the body
Static: holding an extended position with just the strength of the muscles such as holding leg in front
What muscle type has a smooth structure?
Involuntary Muscle
What is the amount of blood measured in millilitres that is ejected from the heart's left ventricle in a single heartbeat.
Stroke volume
In an eccentric contraction, the muscle gets shorter while contracting.
True or False
False
In a concentric contraction, the muscle gets shorter while contracting.
True or False
True
Age, gender, joint angle, length of limb, levels of hormones determine what?
muscular strength
What muscle structure do Skeletal (voluntary) muscles have?
Striated
What type of muscle provides stability in the body?
Skeletal muscle
What are the two pressures measured when we measure blood pressure?
Systolic & Diastolic
The antagonist muscle
relaxes during the movement by working with the prime mover but creates opposing action
The name we call the prime mover is the?
Agonistic
this muscle determines the movement of an action - by contracting
What are the three types of muscles?
Heart (Cardiac) Muscle
Involuntary Muscle
Voluntary
What are the two parts of the nervous system? and what are they responsible for?
Autonomic nervous system: heart (cardiac), Involuntary (Smooth)
Central nervous system: Voluntary (skeletal)
This muscle has a built in pace maker what is the muscle? & what is the electrical stimulus called in this muscle?
Cardiac muscle and Sino-atrial node
The ratio of lean body mass to fat within the body is called?
body composition
What does the 1RM formula look like (Epley Formula)?
1RM= wr / 30 + w