APPENDICULAR SKELETON Flashcards
What are the three functional roles of appendicular skeleton?
- Allows for completion of daily tasks such as dressing up, eating, writing, using a smart phone, etc
- Allows for adjustments in body posture
- Allows for mobility of the body
What is glenohumeral joint?
Ball and socket; allows movement in multiple places
What is rotator cuff?
Joint capsule of glenohumeral joint is weak; reinforced by four shoulder muscles
What is the joint between trochlea and trochlear notch?
Hinge; allows flexion/extension of forearm
What is the joint between capitulum and radial head?
Condylar (ellipsoid); allows pronation/supination of forearm
What is the joint between radius and scaphoid?
Condylar; allows flexion;extension and abduction/adduction of hand
What is joint between trapezium and 1st metacarpal?
Saddle-shaped; allows for opposition of thumb
What is hip joint?
Ball and socket; allows movement in multiple planes
What is iliofemoral ligament?
Capsule of hip joint reinforced anteriorly by and important for upright posture
What is knee joint?
Hinge; allows flexion/extension of leg
What is ACL?
Anterior cruciate ligament
What is joint between tibia and talus (ankle joint)?
Hinge; allows plantarflexion/dorsiflexion of foot
What is joint between talus and navicular?
Condylar; allows inversion/eversion of foot
Which carpal bone is found ONLY in the anterior view?
Pisiform
Which carpal bone is found ONLY in the posterior view?
Triquetrum