Muscle Rules
Muscles must have at least how many attachments?
What tool d you use to measure a joints ROM?
Goniometer
What are the muscles of the chest
Pectoralis major and minor
What is the energy of cells?
ATP
What do tendons connect
Muscle to bone
Muscles always _______________
What TYPE of joint is surrounded by fluid?
Synovial
What type(s) of muscle is involuntary?
Smooth and cardiac
What is a strain?
An overstretched tendon or muscle
What is myofibril
Made up of actin and myosin (sarcomere)
Striations point to what ?
Attachments
What joint has the greatest range of motion?
Ball and socket
Where is smooth muscle found?
Around blood vessels and lining of hollow organs
What is the typical goniometer reading for knee extension?
180 OR 0 (depending on meter)
What type of joint moves your head?
Pivot
Muscle decreases in angle is a ______________
Muscle increases in angle is a ___________
Flexor
Extensor
What is the movement called when you shrug your shoulders?
Elevation
What are muscles named after?
Size, direction or fibers, location and shape
What is the difference between adductor and abductor?
Adductor moves towards midline
Abductor moves laterally
Where does a muscle contraction occur?
The sarcomere
Attachment that move is ____________
Attachment that remains stationary is ________
Insertion
Origin
When doing a squat, what joints are doing what movements?
Ankle = dorsiflexion
Hip = flexion
Knee = flexion
What type of cartilage covers the end of the bones?
Articular cartilage
What is happening when a muscle contracts?
The actin is sliding over the myosin
What is it called when there is a decline of output in a muscle
Muscle fatigue