Functions of the skeleton
Physical stress on bones
Forces acting on players
Harnesses, ropes and pads
Properties of tendons and ligaments (PEE)
Ligament comprised mostly of? (Percent)
Limited _____ in ligaments
Factors affecting stability of a joint
Factors affecting range of motion
Spatial frame of reference
Linear motion (2)
Sagittal plane / sagittal axis
Movement about the sagittal plane (start from bottom to top)
Frontal plane / Frontal axis
Transverse plane / transverse axis
Anthropometrics (ECTO, ENDO, MESO)
Muscle Properties (DECCI)
Uni/bi/multi – articulate muscle articulation Active Insufficiency
Muscle tension types (2)
Factors affecting muscle force (9) list and describe how each affects muscle force
Golgi tendon organ
Proprioceptive neuromuscular facilitation
Properties of a force (4)
Friction force Centripetal Force (equation*)
Kinds of energy (3)
Type s of mechanical energy (3)
When can the muscle be a resistive torque?
- Line of action
- Point of application
Force measured in ___?
Force arm measured in____?
Torque measured in ___?
Length of the vector is the _______?
Orientation of the vector is the _____?
To get a straight-line vector for angular motion you use the ______? Explain.
Center of buoyancy
States of rotary equilibrium (3)
Base of support
Balance Factors (5)
The common athletic stance Pushing/pulling loads
Is it better to push or pull load when your C of G is higher than the load? Why?
Functions of machines (4)
Components of levers (3)
FA motive/Resistive *** CHAPTER 4 – FIGURE 4.3
Resultant torque vector (2 components)
When the muscle is pulling at less than 90 degrees it has ______ properties pulling it _______ toward the
More than 90 degrees, the muscle has a ________ component.
When exactly 90 degrees, strong pull 100% _______.
1 class lever
2 class lever
3 class lever
Wheel and axle??? **
Vertebral muscular stability
- Abdominal muscle’s on ventral side
- Erector spinae muscles on dorsal side
Contralateral trunk flexion
Ipsilateral trunk flexion
- Due to?
- Found in?