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60 Cards in this Set

  • Front
  • Back
Planes, Axis, and Motions
Plane-Axis
Sagittal plane-Coronal axis
Coronal-Sagittal
Transverse-Longitudinal
Motions:
Flexion, Extension, Abduction, Adduction, Rotation,Horizontal Ab&Adduction, Internal & External Rotation, Radial & Ulnar Deviation, Pro/Supination, Plantar & DorsiFlexion, In/Eversion, Circumduction, Pro/Retraction
Direction: Ant/Posterior, Sup/Inferior, Proximal/Distal, Medial/lateral, Up/Downward
Scapula-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Gliding, True Joint (Functional)
Motion- Elevation/Depression, Ab/Adduction (Protraction/Retraction), Up/Downward Rotation
Shoulder-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type/Degree- Triaxial, Ball & Socket
Motions-Flexion/Extension P-Sagittal A-Coronal, Ab/Adduction P-Coronal A-Sagittal, Internal/External Rotation & Horizontal Ab/Adduction P-Transverse A-Longitudinal
Circumduction
Elbow-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Uniaxial, Hinge
Motion,Plane,Axis- Flexion/Extension P-Sagittal A-Coronal
Forearm-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Uniaxial, Pivot
Motion-Pronation/Supination P-Transverse A-Longitudinal
Wrist-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Biaxial, Condyloid
Motions- Radial/Ulnar Deviation P-Coronal A-Sagittal
Flexion/Extension P-Sagittal A-Coronal
Circumduction
Finger MCP-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Biaxial, Condyloid
Motions- Flexion/Extension P-Sagittal A- Coronal
Ab/Adduction P-Coronal A-Sagittal
Circumduction
Finger PIP-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Uniaxial,Hinge
Motion- Flexion/Extension P-Sagittal A-Coronal
Finger DIP-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Uniaxial, Hinge
Motion- Flexion/Extension P-Sagittal A-Coronal
Thumb CMC-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Biaxial, Saddle
Motion- Radial Ab/Adduction P-Coronal A-Sagittal
Oppostion P&A-A Bunch
Palmer Ab/Adduction P-Sagittal A-Coronal
Circumduction
Thumb MCP-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Uniaxial, Hinge
Motion- Flexion/Extension P-Coronal A-Sagittal
Thumb IP-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Uniaxial, Hinge
Motion- Flexion/Extension P-Coronal A-Sagittal
Hip-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Triaxial, Ball & Socket
Motion- Ab/Adduction P-Coronal A-Sagittal
Flexion/Extension P-Sagittal A-Coronal
In/External Rotation P-Transverse A-Longitudinal
Circumduction
Knee-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Uniaxial, Hinge
Motion- Flexion/Extension P-Sagittal A-Coronal
Ankle-Joint
Type/Degree of Freedom, Motions, Plane, & Axis
Type-Uniaxial, Hinge
Motion- Plantar/DorsiFlexion P-Sagittal A-Coronal
Joint Congruency
Loose packed- Ligaments are lax, Minimal congruency between articulating surfaces of bone, Less likely to be injured, Allows for joint mobilization
Closed packed- Joints have Max contact, Joint tightly compressed, Joint difficult to distract or separate, More likely to injure
Accessory motions
Roll, Glide, Spin
Convex-Concave Rule- A concave surface will moved on a fixed convex surface in the same direction as the body segment is moving; A convex surface willl move in the opposite direction of the body segment's movement
Osteokinematics
Movement of bone around a joint axis, it's what we see
Arthrokinematics
Movement at the joint surface btw the articulating surfaces, we do not see this movement but must be present for individual to have full movement at that joint
Muscle Characteristics
Irritability
ability to receive and respond to a stimulus
(Stimulate it and it will respond-Irritability)
Muscle Characteristics
Contractility
ability to shorten, produce tension
(stimulate it and it will shorten-contractility)
Muscle Characteristics
Extensibility
ability to be stretched beyond normal resting length
(stretch a muscle and it will lengthen-extensibility)
Muscle Characteristics
Elasticity
ability to return to normal length; elongate/lengthen
(remove the stretch/stimulus and it will return to normal resting position-elasicity)
Active Insufficiency
when a muscle reaches the point where it cannot shorten any further, it occurs to the muscle contracting, multi joint mm cannot produce full range of motion at all of the joints they cross simultaneously
(ONLY in multi joint mm)
Passive Insufficiency
When a mm CANNOT be elongated ANY further without damage to its fibers, it occurs to the mm producing the motions opposite of the mm contracting
Isometric
contractile mechanisms are activated but no change in mm length, static or holding contraction, no joint movement, relationship of O & I remains, can occur in ANY plane
Ex: sucking in stomach
Concentric
A shortening mm contraction, O & I move closer together, occurs against gravity OR gravity eliminated plane, is an acceleration activity; resistance constant; velocity varies
Ex: elbow flex/extension on horizontal plane
Eccentric
A lengthening contraction; acts as a brake, O & I move farther apart, external force (gravity, weight) causes the motion; motion occurs ONLY when gravity is a factor, CANNOT occur in GE plane
Ex: letting the arm down slowly so your muscles are still working
Agonist (prime mover)
produces the movement, is primarily responsible for the motion of the body part, contracts actively
Agonist (assisting mover)
contributes to the motion, assisting or prime depends on: size, angle of pull, leverage, contractile potential; A muscle that assists but is not as effective may be called assisting mover
Antagonist
the muscle that has the OPPOSITE anatomic action of the agonist, usually antagonist muscle is relaxed while agonist is working, antagonist MUST be able to be lengthened to allow agonist to shorten
Agonist or Antagonist
Whether a muscle is an agonist, antagonist, etc is not absolute,
it varies with the position of the body, the resistance and the actions being performed
Stabilizer (fixator)
muscle group provides support, makes firm; provides a foundation for agonist, allows agonist to work more efficiently, PROXIMAL to agonist, determined once you know the agonist
Neutralizer
a contraction to Rule Out Unwanted Motion, remember a muscle wants to produce all of its actions at all of the joints it crosses, neutralizes the unwanted action (*Ex: biceps-flexes&supinates so pronator teres could be neutralizer)
again determined by the motion desired and the agonist
Angle of pull
O&I and relationship of muscle to joint (where it crosses the joint) will tell you what its action is going to be
Ex: Ant-Flexion
Wrapped-Rotation
Posterior-Extension etc
Reversal of Action
Mm move origin toward the insertion
Ex: chin up
End Feel- Soft
Normal- Soft tissue approximation (Ex: Elbow flexion)
Abnormal- Occurs sooner or later in the ROM than usual OR in a joint that normally has a firm or hard end feel; feels boggy (Ex: edema, synovitis)
End Feel-Hard
Normal-Bone contacting the other bone at the joint (Ex: Elbow extension)
Abnormal- Occurs sooner or later in the ROM than usual OR in a joint that normally has a firm or soft end feel; bony grating or bony block is felt (Ex: Bony growth or spur, osteoarthritis)
End Feel- Firm
Normal- Muscular, Capsular, or ligamentous stretch (Ex: Hip flexion with knee extension, finger MCP extension, forearm supination, etc)
Abnormal- Occurs sooner/later than normal in the ROM OR in a joint that normally is hard/soft (Ex: increased mm tone, shortening of mm, ligaments, or fascia)
End Feel-Empty
ALWAYS ABNORMAL- No real end feel but pain prevents reaching end of the ROM; no resistance but patient in pain
(Ex: Acute joint inflammation, Fracture, Bursitis, Abscess)
Tenodesis
Considered the functional use of passive insufficiency
Kinematic Chains- Closed
Distal segment of extremity is fixed, movement at one joint will cause movements at all other joints in the extremity
Kinematic Chains- Open
Distal segment is not fixed, it is free to move, does not cause motion at other joints in the extremity
Laws of Motion- Law of inertia
an object at rest tends to stay at rest, and an object in motion tends to stay in motion
Laws of Motion- Law of acceleration
the amount of acceleration depends on the strength of the force applied to the object; acceleration is inversely proportional to the mass of an object. A force with more mass requires more force to move and will not accelerate as quickly
Laws of Motion- Law of action-reaction
for every action there is an equal and opposite reaction
1st class lever
Axis btw Force & Resistance
2nd class lever
Resistance btw Force & Axis
3rd class
Force btw Resistance & Axis
Mechanical Advantage
The ratio btw the force arm and the resistance arm
MA= FA/RA
Counter pressure?
3 ways
Area, Angle, & Time
Stability of body depends on?
Height of center of gravity above bas of support, size of bas of support, location of the gravity line within the base of support
Forces- Linear force
2 or more forces acting along the same line, can increase the force; add together, can cancel out the force
Forces- Parallel forces
occur in the same plane and in the same or opposite directions
Forces- Concurrent Forces
2 or more forces act from a common point but pull in divergent directions
Forces- Resultant Force
The net effect of two concurrent forces, USE A PARALLELOGRAM to represent, the diagonal line is the resultant force
(the two forces may not be equal)
Forces- Force couple
when 2 forces act in equal but opposite direction resulting in a turning effect
Pulleys, wheel & axle, Inclined plane
Pulley- change direction (fixed), alter magnitude of force
Wheel & axle- wheel larger, less effort
Inclined plane-Longer less effort
PROM tells what?
Joint integrity
AROM tells what?
Joint strength