Muscles Flashcards Preview

A&P 1 LAB > Muscles > Flashcards

Flashcards in Muscles Deck (24)
Loading flashcards...
1

Attatchment point (usually a bone) which DOES NOT change position when the muscle contracts.

Origin

2

Attatchment point (Usually a bone) whiche DOES change potion when the muscle contracts.

Insertion

3

Movement of a body part produced by the contraction of a muscle.

Action

4

Movement that reduces the angle between tow articulated bones.

Felxion

5

Movement that increases of the angle between two articulated bones.

Extension

6

Entension past anatomical position.

Hyperextension

7

Movement toward the midline of the body.

Adduction

8

Movement away from the midline of the body.

Abduction

9

Movement in an aterior direction within the horixontal plane

Protraction

10

Movement in a posterior direction within the horizontal plane.

Retraction

11

Movement in a superior or upward direction

Elevation

12

Movement in an inferior or downward direction

Depression

13

Motion of the distal end of a bone that describes a circle but the shaft of the bone does not rotate.

Circumduction

14

Pivoting on an axis

Rotation

15

Rotation of the forearm that turns the palm down or posteriorly

Pronation

16

Rotation of the forearm that turns the palm up or anteriorly

Supination

17

Movement that turns the foot inward

Inversion

18

Movement that turns the food outward

Eversion

19

Movement that bends the vertebral column toward the side

Lateral flexion

20

Movement of the foot so that the toes are depressed with respect to the ankle

Plantar flexion

21

Movement of the foot so that the toes are elevated with respect to the ankle

Dorsiflexion

22

A muscle chiefly responsible for producing a particular movement

Agonist

23

A muscle that opposes the movement of agonist.

Antagonist

24

A muscle that assists an agonist in performing a primary action.

Synergist