Question 4 Flashcards
Sagittal plane is?
Media/Lateral axis
Frontal plane is?
Anterior-posterior axis
Horizontal plane is?
Vertical axis
Movements of bones is?
Osteokinematics
Movements of joint surfaces?
Arthrokinematics
What is a first class lever?
Axis is between the force and the resistance
What is a second class lever?
Resistance is between the axis and the force
What is a third class lever?
Force is between the axis and the resistance
What is closed packed joint position?
Ligaments are most taut, joint surfaces are most congruent and compressed together
What is a loose-packed joint position?
Ligaments are not taut, joint surfaces have space between them
The convex-concave rule tells us what in what direction the _____ motion of a joint goes?
sliding
What type of lever is a 2 handle nut cracker?
second class
Degrees of freedom refers to?
The number of directions (planes) through which a joint can move
A baseball pitcher throws a fastball and the hitter hits the ball in a line drive right back at the pitcher. What factors determine the speed of the ball after it is hit?
The speed of the pitch
The force applied by the hitter on the bat
The weight of the ball
What is the term for theories about the various body systems interact to produce movement, with emphasis on how the brain manages the movement?
Motor control
Elbow flexion and extension moves around which one?
Medial-lateral
The mechanical advantage for a third class lever is always less than 1? T/F
T
Internal and external rotation of the humerus occurs in what plane?
Transverse
What is the term for the study of forces on the body?
Kinetics
T/F
Flexion and extension are considered angular movements?
T
When I open my hinged car hood, what class lever is present in the car hood as I push it up?
Second class
Movements in the coronal plane move around the?
anterior posterior axis
Arthrokinematic motions can be voluntarily performed by a healthy person with intact motor control, without performing an osteokinematic motion? T/F
False
