Articulations
Name the three general functions of joints
Synarthrosis, diarthrosis, amphiarthrosis
What muscle surrounds the eyes?
Orbicularis oculi
What muscle group is medial and adjacent to the external intercostals?
Internal intercostals
What is the action of the orbicularis oculi?
Closes eyelids
What is the action of the masseter?
Closes (elevates) and retracts mandible
Name the three general structures of joints
Fibrous, cartilaginous, synovial
What facial muscles translate directly to their functions?
risorius and depressor anguli oris
What is the connective tissue covering of the rectus abdominis?
rectus sheath
Depresses the eye
What is the medial rectus action?
Moves eye medially
What parts make up the articular capsule?
Fibrous capsule (superficial), synovial membrane (deep)
What muscles aid in mastication?
Masseter and temporalis
Name the abdominal muscles from deep to superficial
Transverse abdominis, internal oblique, external oblique
What is the origin and insertion of the sternocleidomastoid muscle?
Manubrium of sternum and clavicle (origin), mastoid process (insertion)
What is the insertion of the depressor anguli oris?
Angle of mouth
What is the specific/general function, general structure and an example of a gliding joint?
What muscles does the galea aponeurotica attach to?
occipitalis and frontalis
Name the back muscles from medial to lateral
What is the erector spinae group action (ILS)?
extends and laterally flexes vertebral column, head, and neck
What is the external intercostal action?
elevates ribs
What is the specific and general structures and functions of the joint between rib 1 and the sternum?
Eithel sits between Sophia (on his left) and Chloe (on his right). If he flexes his lateral rectus on his left eye, who does he look toward?
Sophia
Name the two deep intervertebral muscles
Interspinalis and intertransversarii
What is the origin of the intertransversarii muscle?
Transverse process of vertebra
What is the internal oblique action?
compresses abdominopelvic cavity, flexes and rotates vertebral column