ANAPHY LESSON 2 MIDTERM Flashcards
Connect the muscle to the bone
Tendons
The most stationary end of the muscle.
Origin (head)
The end of the muscle attached to the bone undergoing the greatest movement.
Insertion
The part of the muscle between origin and insertion.
Belly
4 General Principles of Skeletal Muscle:
Tendons
Origin (head)
Insertion
Belly
The muscle that “extends from ‘brachio’ (meaning arm) to the radius” is the
Brachioradialis
Fibers run parallel to the long axis
Parallel
Spindle-shaped with a thicker belly
Fusiform
Feather-like fibers; Short fascicles in relation to total muscle length; tendon extends nearly entire length of muscle.
Pennate
Fibers attach to one side of a tendon
Unipennate
Fibers attach to both sides of a tendon
Bipennate
Multiple tendon insertions
Multipennate
Surround an opening
Circular (Sphincteric)
Broad origin converging to a single tendon
Convergent or Triangular
Square or rectangular
Quadrate
back of the head
occipit
draws your scalp anterioirly and raises eyebrows
skin supraorbital margin
occipitofrontalis
draws scalp posterioirly
process of temporal bone
occipital belly
closes and protrudes lips , as in kissing
skin at corner of the mouth
surrounding opening of the mouth
orbicularis oris
circular means
of the mouth means
orb
oris
draws angle of the mouth superiorly and laterally, as in smiling
zygomaticus major
cheekbone means
greater means
zygomatic
major
raises(elevates) upper lip
zygomaticus minor
lesser means
minor