Post on 12-Apr-2017
Body MovementsBody Movements
Muscles and Body Muscles and Body MovementsMovements
►Movement results when a muscle Movement results when a muscle moves an attached bonemoves an attached bone
►Muscles are attached to at least two Muscles are attached to at least two pointspoints OriginOrigin
► Attachment to a immoveable boneAttachment to a immoveable bone InsertionInsertion
► Attachment to an movable boneAttachment to an movable bone
Muscles and Body Muscles and Body MovementsMovements
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 Typical of hinge joints like knee and
elbowelbow►ExtensionExtension
Opposite of flexionOpposite of flexion Increases angle between two bonesIncreases angle between two bones
Types of Ordinary Body Types of Ordinary Body MovementsMovements
Types of Ordinary Body Types of Ordinary Body MovementsMovements
Hyperextension: results when angle is > 180 ̊
Types of Ordinary Body Types of Ordinary Body MovementsMovements
►RotationRotation Movement of a bone Movement of a bone
around its around its longitudinal axislongitudinal axis
Common in ball-and-Common in ball-and-socket jointssocket joints
Example is when Example is when you move atlas you move atlas around the axis around the axis vertebra (shake your vertebra (shake your head “no”)head “no”)
Types of Ordinary Body Types of Ordinary Body MovementsMovements
►AbductionAbduction Movement of a limb Movement of a limb
away from the away from the midlinemidline
►AdductionAdduction Opposite of Opposite of
abductionabduction Movement of a limb Movement of a limb
toward the midlinetoward the midline
Types of Ordinary Body Types of Ordinary Body MovementsMovements
►CircumductionCircumduction Combination of Combination of
flexion, extension, flexion, extension, abduction, and abduction, and adductionadduction
Common in ball-and-Common in ball-and-socket jointssocket joints
Special MovementsSpecial Movements►DorsiflexionDorsiflexion
Lifting the foot so Lifting the foot so that the superior that the superior surface approaches surface approaches the shinthe shin
►Plantar flexionPlantar flexion Depressing the foot Depressing the foot
(pointing the toes)(pointing the toes)
Special MovementsSpecial Movements►InversionInversion
Turn sole of foot Turn sole of foot mediallymedially
►EversionEversion Turn sole of foot Turn sole of foot
laterallylaterally
Special MovementsSpecial Movements►SupinationSupination
Forearm rotates laterally so palm faces up Forearm rotates laterally so palm faces up (anterior)(anterior)
►PronationPronation Forearm rotates medially so palm faces down Forearm rotates medially so palm faces down
(posterior)(posterior)
Special MovementsSpecial Movements►OppositionOpposition
Move thumb to touch the tips of other fingers Move thumb to touch the tips of other fingers on the same handon the same hand