Upper Extremity Articulations Flashcards
1
Q
What is the only articulation between the axial and appendicular skeleton of the upper body?
A
SC joint
2
Q
What type of joint is the scapulothoracic joint and what actions occur here?
A
Is a Physiological or functional Joint, not a true joint
Actions: Elevation, Depression, Retraction, Protraction, Rotation
3
Q
What are the 2 parts of the coracoacromial Ligament?
A
Conoid and Trapezoid
4
Q
What joints make up the pectoral girdle?
A
AC and SC
5
Q
What joints make up the shoulder complex?
A
Pectoral Girdle (SC and AC) + GH
6
Q
what types of joints are the SC, AC, and GH?
A
SC- Synovial Saddle, AC - Synovial Plane, GH - Ball and Socket
7
Q
How much movement occurs @ the scapula vs GH? (in degrees)
A
Scap - 60/ GH - 120 (1:2 ratio) (in degrees)
