Download - Planes of the Body
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Sport Books Publisher 1
Planes of the Body
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Sport Books Publisher 2
Are imaginary flat surfaces that divide human body
They are used to:– Divide the body for further identification of
particular areas– Describe different movements or actions
Always refer to the body in the anatomical position
Planes
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Sport Books Publisher 3
Median plane or midsagittal plane
– A vertical plane that bisects the body into right and left halves
– Sagittal plane is anyplane parallel to themedian plane
MedianPlane
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Sport Books Publisher 4
Coronal plane or frontal plane
– A vertical plane that bisects the body into front and back
– It is at right angles to the median plane
Coronal Plane
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Sport Books Publisher 5
Transverse plane or horizontal plane
– A horizontal plane that bisects the body into top and bottom
– It’s at right angles to both the median and coronal planes
Transverse Plane
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Sport Books Publisher 6
Centre of gravity– The point at which the
medial, frontal, and transverse planes intersect
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Sport Books Publisher 7
Movements
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Sport Books Publisher 8
Movement around a joint may be around any one (or more) of three axes
Most movements are found in pairs - for every movement, there is generally a movement that is opposite to it
X
Y
Z
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Sport Books Publisher 9
Flexion-Extension
Usually a sagittal plane movement
E.g., Biceps curl – Lifting the weight reduces the
angle at the joint = flexion– Lowering the weight increases the
angle at the join = extension
Flexion - reduces the angle between two bones at a jointExtension - increases the angle between two bones at a joint
Flexion
Extension
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Sport Books Publisher 10
Dorsiflexion-Plantar flexion Modified flexion with
respect to ankle joint
Dorsiflexion - bringing the top of the foot toward the lower leg or shin
Plantar flexion - “planting” the foot
Dorsiflexion
Plantar Flexion
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Sport Books Publisher 11
Abduction-Adduction
Frontal plane movement E.g., The motions of the arms
and legs during a jumping jack Hint:
– Abduct = “take away” from the midline
– Adduct = “add” towards the midline
Abduction
Adduction
Abduction – moving a segment away from the midline
Adduction – moving segment towards the midline of the body
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Sport Books Publisher 12
Circumduction A cone of movement that does not
include any rotation Occurs when flexion-extension
movements are combined with abduction-adduction movements
E.g. Tracing an imaginary circle in the air with your index finger – The tip of your finger represents the
base of the cone, while your knuckle forms the apex of this conical motion
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Sport Books Publisher 13
Rotation
Turning of a bone on its longitudinal axis
Medial rotation - rotation towards the midline
Lateral rotation - rotation away from the midline
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Sport Books Publisher 14
Pronation-supination
Movements relative to the forearm and hand
Pronation - when the palm is moved to face posteriorly
Supination - when the palm is moved to face anteriorly (hint: you can hold a bowl of soup)
Pronation
Supination
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Sport Books Publisher 15
Inversion-Eversion Movements relative to the
sole of the foot Inversion - When the sole
is turned inward (as when you "go over" on your ankle)
Eversion
Inversion
Eversion - When the sole is turned outward or away from the median plane of the body