Musculoskeletal System Flashcards
what are the TYPES of MUSCLES?
- SKELETAL
- SMOOTH
- CARDIAC
describe MUSCLES
- they are UNDER CONSCIOUS CONTROL
- composed of BUNDLES OF MUSCLE FIBERS
- attached to the bone by TENDONS
internal rotation
turning TOWARD MIDLINE
external rotation
turning AWAY from MIDLINE
hyperextension
extending BEYOND anatomical position
- tipping the head backward
abduction & adduction
ABDUCTION
- AWAY from midline of body
ADDUCTION
- TOWARDS the midline of the body
rotation
moving head around the CENTRAL AXIS
protraction
moving a BODY PART FORWARD & PARALLEL to the ground
**moving lower jaw forward
retraction
moving a BODY PART BACKWARD & PARALLEL to the ground
**returning of lower jaw from forward to normal position
FLEXION & EXTENSION
FLEXION
- bending; DECREASING ANGLE OF JOINT
EXTENSION
- straightening; INCREASING ANGLE OF JOINT
PRONATION & SUPINATION
PRONATION
- TURNING FOREARM with PALM DOWN
SUPINATION
- TURN FOREARM with PALM UP
circumduction
moving arm in a CIRCLE around the shoulder
INVERSION & EVERSION
INVERSION
- moving sole of foot INWARD at the ankle
EVERSION
- moving sole of foot OUTWARD at the ankle
elevation
raising a body part
depression
lowering a body part