Muscular pt. 2 Types of Muscle Movements

Question 1

Define Action:

Answer 1

The effect produced by muscle

Question 2

Define Agonist:

Answer 2

Prime mover/Main muscle that produces the action

Question 3

Define Synergist:

Answer 3

Muscles that assist the agonist perform a movement

Question 4

Define Antagonist:

Answer 4

Muslce that opposes the agonist

ex: Triceps Brachii extends the arm

Question 5

Define Flexion:

Answer 5

Bending or decreasing joint angle

Question 6

Define Extension:

Answer 6

Straightening/ increasing joint angle

Question 7

Define Abduction:

Answer 7

Lateral movement away from midline

Question 8

Define Adduction:

Answer 8

Medial movement towards midline

Question 9

Define Pronation:

Answer 9

turning limb downwards

top of palm, top of arm

Question 10

Define Supination:

Answer 10

Turing limb upward

palm of hand, forearm

Question 11

Define Internal Rotation:

Answer 11

Rotating towards midine

ex:rotating hip, leg turns toward midline

Question 12

Define External Rotation:

Answer 12

Rotating limb away from midline

Question 13

Define Circumduction:

Answer 13

Moving limb in a circular motion

distal end rotates, proximal remain stationary

Question 14

Define Eversion:

Answer 14

Turning limb outward away from midline

ex:rolling ankle outwards, heel faces inward

Question 15

Define Inversion:

Answer 15

Turning limb inwards towards midline

ex:turning heel of foot towards midline

Question 16

Define Plantar Flexion:

Answer 16

Toes point away from shin/ on tippy toes

Heels elevate

Question 17

Define Dorsal Flexion:

Answer 17

Elevating sole of feet

Toes point toward shin