Anatomy

Movements of the Body

Flexion- Bending bearment that decreases the angle between two give ways.
Ex: Bending the elbow
Ex: When sitting down, the kneww argon flexed.

Extension- opposite of fold; a straightening movement that increases angle between body.
Ex: In a handshake, that fingers are fully extended.
Ex: When standing up, the knees are extended.

Abduction- A motion that pulls a structure or leave away from the midline of the body.
Ex: Raising of the build up laterally, to the sides, is an pillowcase of abduction.
Adduction- A motion that pulls a structure or part towards the midline of the body, or toward the midlline of a limb.
Ex: Dropping the arms to the sides, or bringing the knees together.

Elevation- movemnt in a superior direction.
Depression- movemnt in an inferior direction, the opposite of elevation.

Supination- rotation of the forearm so that the care faces anteriorly, or ornamentation face up. The hand is supine (facing anteriorly) in the anatomical position.
Pronation- A rotation of the forearm that moves the palm from an anterior- facing position to a posterior facing position, or palm facing down.

Circumduction- The circular (or more precisely, conical) movemnt of a body part, such(prenominal) as a ball-andaisucket joint or the eye.




Windmilling the arms or rotation the hand from the wrist are examples of circumductive movement.

Eversion- The movement of the fix of the foor away from the median skip.
Inversion- The movement of the sole towards the median plane (same as when an ankle is twisted.)

Protraction- anterior movemnt of an anatomical structure.
Retraction- opposite of protraction, move posteriorly.

Tendon- copy extensions of connective tissue covering the skeletal bones- kindle into epimysium (hold muscle to bone)

These filaments overlap to form dark and light bands on the muscle fiber
A band= dark* thick (myosin)
1 band= light* thin(actin)
In the middle of each 1 band 7 lines. A sarcomere is one...



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