Chapter 1 (part 2) Sagittal Plane

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64 terms · Planes of Motion Sagittal Plane

Planes of Motion

Imaginary two-dimensional surface through which a limb or body segment is moved
Motion through a plane revolves around an axis
There is a ninety-degree relationship between a plane of motion & its axis

Cardinal planes of motion

3 basic or traditional
in relation to the body, not in relation to the earth
Anteroposterior or Sagittal Plane
Lateral or Frontal Plane
Transverse or Horizontal Plane

Cardinal planes of motion

Planes of Motion

Anteroposterior or Sagittal Plane
divides body into equal, bilateral segments
right & left half
Ex. Sit-up

Sagittal Plane (Anteroposterior)

front back

Sagittal Plane has what Axis of Rotation?

medial-lateral axis (horizontal bilateral) axis
aka -- Frontal Axis - passes from side to side at right angles to the sagittal plane)

Movements in the sagittal plane about a frontal axis

Frontal Axis - passes from side to side at right angles to the sagittal plane

Movements in the sagittal plane about a frontal axis
(Medial Lateral)

flexion: the angle of a joint becomes smaller
extension: the angle of a joint becomes larger
hyperextension: extension goes beyond the anatomic reference position
dorsiflexion/ plantarflexion: used for ankle or foot movements
forward/ backward bending: used for trunk movements
nutation/ counternutation: used for sacroiliac joint movements

flexion: the angle of a joint becomes smaller
extension: the angle of a joint becomes larger

sagittal plane

Sagittal Plane Movements

flexion: the angle of a joint becomes smaller
extension: the angle of a joint becomes larger

flexion: the angle of a joint becomes smaller
extension: the angle of a joint becomes larger

flexion: the angle of a joint becomes smaller
extension: the angle of a joint becomes larger

ALL occur in sagittal plane

flexion: the angle of a joint becomes smaller
extension: the angle of a joint becomes larger

flexion: the angle of a joint becomes smaller
extension: the angle of a joint becomes larger

flexion: the angle of a joint becomes smaller
extension: the angle of a joint becomes larger

sagittal squats

...

...

Plantar flexion-Extension of ankle results in foot moving away from body...

Dorsal flexion dorsiflexion-Flexion of ankle results in top of foot moving toward anterior tibia bone. Specific Ankle and Foot

Sagittal - Dorsiflexion - Flexion movement of ankle -top of the foot moving toward the anterior tibia.

Plantar extention

Curls (sagittal)

hyperextension

...

...

neck extension, flexsion, hyperextension

vertebral column

wrist flex extension

sagittal plane movements

median sagittal plane

Medial & Lateral - defined in relation to the sagittal plane. Closer to the midline of the body is medial, away from the midline is lateral.

image - doing a lunge, what plane and what axis (about the knee)

- this is a sagital plane movement
- M/L axis is perp to sagital plane

image of flex and ext

occurs only in sagital plane

dissect this image

motion of the knee is in the sagital plane - M/L axis
- motion of the hip = sagital plane about the M/L axis
- the foot is in dorsiflexion

Flexion - decreasing an angle of a joint.
.

- decreasing an angle of a joint.

Extension

- increasing the angle of a joint

Major Joints in sagittal plane

Wrist, Elbow, Shoulder, Hip, Knee, Trunk, Neck,
& Ankle

Sagittal Motion: Flexion / extensionAxis: Coronal

bicep curl, tri-cep pushdowns, squats, front lunges, calf raises, walking, running, vertical jumping, climbing stairs

Neck flexion

Sagittal plane, bilateral axis

Neck extention

Sagittal plane, bilateral axis

Neck hypertension

Sagittal plane, bilateral axis

Arm flexion extension

sagittal, bilateral axis

Hip flexion
Hip extension

Leg, sagittal, bilateral axis

hip hyper-extension

Leg, sagittal, bilateral axis

knee flexion
knee extension

sagittal, bilateral axis

foot planter flexion
foot dorsi-flexion

sagittal, bilateral axis

Sagittal Axis

Axis that runs through the centre of the body from front to back, eg cartwheel

mediolateral axis

mediolateral axis, perpendicular to sagittal plane and joint rotate are flexion/extension

lateral

lying away from the median and sagittal plane of a body

sagittal

located in a plane that is parallel to the central plane of the sagittal suture

Shoulder girdle elevation

______ Axis? _______ Plane? Plane: Frontal Axis: Sagittal

Elbow flexion ...

______ Axis? _______ Plane? Sagittal Axis: Frontal

Wrist radial deviation ...

______ Axis? _______ Plane? Frontal Axis:Sagittal

Metacarpophalangeal abduction ...

______ Axis? _______ Plane? Frontal Axis: Sagittal

Lumbar lateral flexion ...

______ Axis? _______ Plane? Frontal Axis Sagittal

Knee extension ...

______ Axis? _______ Plane? Sagittal Axis: Frontal

Ankle inversion ...

______ Axis? _______ Plane? Frontal Axis: Sagittal

Great toe extension ...

______ Axis? _______ Plane? Sagittal Axis: Frontal

Mid-sagittal Plane

divides the body into right and left halves donw the midline

Sagittal movements

Flexion, extension, dorsiflexion, plantar flexion, hyperflexion

flexion

movement in the sagittal plane, away from anatomical position

extension

movement in the sagittal plane, back to anatomical position

forward/ backward bending: used for trunk movements

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