Chapter 8 : Groups and Movements Flashcards
Muscle attachment that stays relatively stationary during contraction
Origin
The movable muscle attachment
Insertion
Muscles that perform opposite functions
Antagonistic muscles
Muscles that produce desired movement in a single direction (out of anatomical position)
Prime Mover
Muscle in a group that helps to steady the movement
Synergist Muscle
Flexion
Angle decrease/parts get closer
Extension
Angle increases/parts farther apart
Dorsiflexion
(flexing toes) bending foot toward the shin
Plantor flexion
(pointing toes) bending foot toward sole
Opposition
Grasping with your thumb and fingers
Abduction
Movement away from midline
Adduction
Movement toward midline (add to body)
Rotation
Movement around a central axis
say no) (queen wave
Circumduction
Movement in a circular motion
Pronation
Turning hand palm down/turning foot arch is lowered