Shared Flashcard Set

Details

Musculoskeletal System
Muscle actions
15
Medical
Professional
01/06/2013

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Cards

Term
abduction
Definition
Movement away from midline of body
Term
adduction
Definition
Movement toward midline of body
Term
flexion
Definition
Act of bending or being bent. Decreased angle between two bones.
Term
extension
Definition
Movement that brings limb into or toward a straight condition. Increase in angle between two bones.

Hyperextension at waist and neck, some people are "double jointed" (ligaments in the synovial joints are looser)
Term
dorsiflexion
Definition
Backward bending, as of hand or foot.
Pointing toes or entire foot toward the ceiling.
Special terms for feet because feet start out straight.
Term
plantar flexion
Definition
Bending sole of foot; pointing toes downward.
Pointing toes or entire foot toward floor.
Special terms for feet because feet start out straight.
Term
eversion
Definition
Turning outward. Turn sole of foot laterally.
Term
inversion
Definition
Turning inward. Turn sole of foot medially.
Term
pronation
Definition
To turn downward or backward as with the hand or foot. Medial rotation, in relation to the sagittal (median) plane.

1. To turn or rotate (the hand or forearm) so that the palm faces down or back.

2. To turn or rotate (the foot) by abduction and eversion so that the inner edge of the sole bears the body's weight.
Term
supination
Definition
Turning the palm or foot upward. Lateral rotation, in relation to the sagittal (medial) plane.

1. To turn or rotate (the hand or forearm) so that the palm faces up or forward.

2. To turn or rotate (the foot) by adduction and inversion so that the outer edge of the sole bears the body's weight.
Term
elevation
Definition
To raise a body part, as in shrugging the shoulders.
Shut your mouth.
Term
depression
Definition
A downward movement, as in dropping the shoulders.
Lower your mandible.
Term
circumduction
Definition
Movement in a circular direction from a central point. Imagine drawing a large circle in the air.
Ball and socket joint. Shoulder and hip.
Term
opposition
Definition
Moving thumb away from palm; the ability to move th thumb into contact with the other fingers.
Term
rotation
Definition
Moving around a central axis.
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