Anatomy

Movements of the Body Flexion- Bending bearment that decreases the angle amid two delve ways. Ex: Bending the elbow Ex: When sitting down, the kneww atomic number 18 flexed. Extension- opposite of fold; a straightening movement that increases angle between body. Ex: In a handshake, that fingers argon fully extended. Ex: When standing up, the knees are extended. Abduction- A motion that pulls a twist or leave away from the midline of the body. Ex: rearing 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- whirling of the forearm so that the care human faces anteriorly, or ornamentation face up. The hand is supine (facing anteriorly) in the anatomical reference position. Pronation- A rotation of the forearm that moves the palm from an anterior- facing position to a fundament facing position, or palm facing down. Circumduction- The circular (or more(prenominal) 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 mend towards the median plane (same as when an an kle is twisted.) Protraction- anterior mo! vemnt of an anatomical structure. Retraction- opposite of protraction, move posteriorly. Tendon- copy extensions of connective tissue binding the skeletal bones- kindle into epimysium (hold muscle to bone) These filaments overlap to form unsung and light pots 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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