Body movements ppt

PPT

1. Body MovementsBody Movements

3. Muscles and Body MovementsMuscles and Body Movements
►Movement results when a muscle moves an Movement results when a muscle moves an
attached boneattached bone
►Muscles are attached to at least two pointsMuscles are attached to at least two points
OriginOrigin
►Attachment to a immoveable boneAttachment to a immoveable bone
InsertionInsertion
►Attachment to an movable boneAttachment to an movable bone

4. Muscles and Body MovementsMuscles and Body Movements

5. Types of Ordinary Body Types of Ordinary Body
MovementsMovements
►FlexionFlexion
Decreases the angle of the jointDecreases the angle of the joint
Brings two bones closer togetherBrings two bones closer together
Typical of hinge joints like knee and elbowTypical of hinge joints like knee and elbow
►ExtensionExtension
Opposite of flexionOpposite of flexion
Increases angle between two bonesIncreases angle between two bones

6. Types of Ordinary Body Types of Ordinary Body
MovementsMovements

7. Types of Ordinary Body Types of Ordinary Body
MovementsMovements
Hyperextension: results
when angle is > 180 ̊

8. Types of Ordinary Body Types of Ordinary Body
MovementsMovements
►RotationRotation
Movement of a bone Movement of a bone
around its longitudinal around its longitudinal
axisaxis
Common in ball-and-Common in ball-and-
socket jointssocket joints
Example is when you Example is when you
move atlas around the move atlas around the
axis vertebra (shake axis vertebra (shake
your head “no”)your head “no”)

9. Types of Ordinary Body MovementsTypes of Ordinary Body Movements
►AbductionAbduction
Movement of a limb Movement of a limb
away from the midlineaway from the midline
►AdductionAdduction
Opposite of abductionOpposite of abduction
Movement of a limb Movement of a limb
toward the midlinetoward the midline

10. Types of Ordinary Body Types of Ordinary Body
MovementsMovements
►CircumductionCircumduction
Combination of flexion, Combination of flexion,
extension, abduction, extension, abduction,
and adductionand adduction
Common in ball-and-Common in ball-and-
socket jointssocket joints

11. Special MovementsSpecial Movements
►DorsiflexionDorsiflexion
Lifting the foot so that Lifting the foot so that
the superior surface the superior surface
approaches the shinapproaches the shin
►Plantar flexionPlantar flexion
Depressing the foot Depressing the foot
(pointing the toes)(pointing the toes)

12. Special MovementsSpecial Movements
►InversionInversion
Turn sole of foot Turn sole of foot
mediallymedially
►EversionEversion
Turn sole of foot Turn sole of foot
laterallylaterally

13. Special MovementsSpecial Movements
►SupinationSupination
Forearm rotates laterally so palm faces up (anterior)Forearm rotates laterally so palm faces up (anterior)
►PronationPronation
Forearm rotates medially so palm faces down (posterior)Forearm rotates medially so palm faces down (posterior)

14. Special MovementsSpecial Movements
►OppositionOpposition
Move thumb to touch the tips of other fingers on the Move thumb to touch the tips of other fingers on the
same handsame hand