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64 Cards in this Set

  • Front
  • Back
What is Biomechanics?
Study of application of mechanics of structure and function of biological systems

Evaluates the motion and force
What is Kinesiology?
Scientific study of human movement
What is anatomy?
The science and structure of the body
What is functional anatomy?
Study of body components needed to achieve or perform human movement or function

**helpful to set up exercise programs
What is linear motion?
Movement along a straight or curved pathway

Focus is on direction, path and speed of object

Ex. speed of a sprinter, path of baseball, path of bench press bar
What is angular motion?
Motion around a point where different regions of same segment don’t move through same distance
What is angular motion around an axis through a joint?
What is angular motion through center or gravity?
What is angular motion around external axis?
What is Kinematics?
Study that examines spatial and temporal components of motion
What is kinematic movement analysis?
Focuses on the amount and type of movement, the direction of movement and speed or change of speed of the object
What is kinetics?
Study that examines the forces acting on a system such as the human body
What is dynamics?
area of mechanics used to evaluate a system undergoing acceleration
What is anatomical position?
Medial
toward from midline
What is lateral?
away from midline
Proximal?
position CLOSEST to reference point
Distal?
FARTHER away from reference point
Superior?
above reference point (UP)
Inferior?
lower than reference point (DOWN)
Anterior?
Front or ventral
Posterior?
Back or dorsal
Ipsilateral?
Same Side
Contralateral?
Opposite side
Flexion?
Bending movement

Angle between two adjacent segments decreases
Bending movement

Angle between two adjacent segments decreases
Extension?
Straightening movement

Angle between two segments increases as the joint returns to 0 +.
Straightening movement

Angle between two segments increases as the joint returns to 0 +.
Hyperflexion?
A movement that goes beyond 180° of flexion
A movement that goes beyond 180° of flexion
Hyperextension?
When the extension movement continues past the 0 point
When the extension movement continues past the 0 point
Abduction?
movement away from the midline of the body or the segment
movement away from the midline of the body or the segment
Adduction?
return of the segment back toward the midline of the body or segment
return of the segment back toward the midline of the body or segment
Hyperabduction?
occur in shoulder as the arm moves more than 180° from the side, past the head
occur in shoulder as the arm moves more than 180° from the side, past the head
Hyperadduction?
arm or thigh as the adduction continues past 0 so that the limb crosses the body
arm or thigh as the adduction continues past 0 so that the limb crosses the body
Internal rotation?
movement of a segment around a vertical axis running through the segment toward the midline of the body while the posterior surface moves away form midline
movement of a segment around a vertical axis running through the segment toward the midline of the body while the posterior surface moves away form midline
External rotation?
movement of a segment around a vertical axis running through the segment so that the anterior surface of the segment moves away from the midline of the body, while posterior surface moves toward midline
movement of a segment around a vertical axis running through the segment so that the anterior surface of the segment moves away from the midline of the body, while posterior surface moves toward midline
Lateral Flexion?
used for movements of the head and trunk (head tilted side ways)
Elevation?
Raising the scapula as in the shoulder shrug
Raising the scapula as in the shoulder shrug
Depression?
lowering of the scapula
lowering of the scapula
Protraction or abduction?
movement of the two scapula away form each other as in rounding shoulders
movement of the two scapula away form each other as in rounding shoulders
Retraction or adduction?
movement of two scapula towards each other.
movement of two scapula towards each other.
Upward or lateral rotation?
when scapulas swing out so that the bottom of the scapula move away from the trunk
when scapulas swing out so that the bottom of the scapula move away from the trunk
Downward or medial rotation?
when scapula swing down back into resting position toward trunk.
when scapula swing down back into resting position toward trunk.
Tipping?
when inferior portion of the scapula moves away from thorax.
Winging?
when the medial border of scapula move away from thorax
Horizontal Adduction (flexion)?
arm and thigh; combination of flexion and adduction.  Movement of arm or thigh across body, toward midline, using movement horizontal to the ground
arm and thigh; combination of flexion and adduction. Movement of arm or thigh across body, toward midline, using movement horizontal to the ground
Horizontal Abduction (extension)
arm and thigh; combination of extension and abduction. Movement of the arm or thigh away from the midline of the body in horizontal direction, horizontal to the ground
Supination?
Movement of forearm in which palm rotates to face forward from the fundamental starting position
Movement of forearm in which palm rotates to face forward from the fundamental starting position
Pronation?
Movement in which the palm faces backwards
Movement in which the palm faces backwards
Radial Flexion (deviation)?
hand toward thumb or radial side.
hand toward thumb or radial side.
Ulnar Flexion (deviation)?
hand toward little finger or ulnar side of forearm
hand toward little finger or ulnar side of forearm
Plantar Flexion?
bottom of foot moves down and angle formed between foot and leg increases (POINTS DOWNWARD)
bottom of foot moves down and angle formed between foot and leg increases (POINTS DOWNWARD)
Dorsi-Flexion?
foot up toward the leg that decreases the relative angle between leg and foot (POINT TOE UP)
foot up toward the leg that decreases the relative angle between leg and foot (POINT TOE UP)
Inversion?
medial border of foot lifts so that the sole of the foot faces inward toward the other foot.
medial border of foot lifts so that the sole of the foot faces inward toward the other foot.
Eversion?
lateral aspect of the foot lifts so that the sole o f the foot faces outward, away from other foot
lateral aspect of the foot lifts so that the sole o f the foot faces outward, away from other foot
Pronation of the foot?
combined set of movements; Dorsi-flexion at ankle, eversion at the tarsals, abduction of forefoot.
Supination of the foot?
combined set of movements; ankle plantar flexion, tarsal inversion and forefoot adduction
Forefoot adduction?
when the forefoot moves toward the great toe side of the foot
when the forefoot moves toward the great toe side of the foot
Forefoot abduction?
when the forefoot moves toward the little toe side of the foot
when the forefoot moves toward the little toe side of the foot
Circumduction?
When the segment is moved in a conic fashion as the end of the segment moves in a circular pathway
When the segment is moved in a conic fashion as the end of the segment moves in a circular pathway
Absolute Reference system?
three axis intersect in the center of the joint and movement of the segment is described with reference to a fixed angle
three axis intersect in the center of the joint and movement of the segment is described with reference to a fixed angle
Relative Reference System?
movement segment is described relative to the adjacent segment (between the longitudinal axes of two segments).
movement segment is described relative to the adjacent segment (between the longitudinal axes of two segments).
Sagittal Plane?
Left and Right halves-flexion and extension always happens

Frontal axis  (side to side)
Left and Right halves-flexion and extension always happens

Frontal axis (side to side)
Transverse Plane?
Top and Bottom Halves- rotation happens

"Y" axis (superior/inferior)
Top and Bottom Halves- rotation happens

"Y" axis (superior/inferior)
Frontal/Coronal Plane?
Front and Back Halves-abduction and adduction

Sagittal Axis (anterior/posterior)
Front and Back Halves-abduction and adduction

Sagittal Axis (anterior/posterior)
Degrees of Freedom?
joint allows the segment to move through one plane of motion (uniaxial) You can have:

1 df uniaxial
2 df biaxial
3 df triaxial