Bones of the Arm Flashcards
what does the humerus form?
arm
the proximal end of the humerus articulates with what
the head articulates with the glenoid cavity of the scapula
area inferior to the head
anatomical neck
what is the location of the intertubecular sulcus
anterior and lateral to the neck
what is the function of the tubercle of the humerus?
sites of muscle attachment
what is on both sides of the intertubercular sulcus
greater and lesser tubercles
what is distal to the tubercles?
surgical neck
what is significant about the surgical neck?
most frequently fractured part of the humerus
what is the deltoid tuberosity?
where the deltoid muscle attaches to the humerus
location of the deltoid tuberosity
midway down the shaft
what is the radial groove?
marks the course of the radial nerve
the coronoid fossa and old random fossa allow what
the ulna to move freely when the elbow is bent and extended
at the distal end of the humerus what articulates with what?
the trochlea and capitulum articulates with the bones of the forearm
what is the bone of the humerus like?
single long bone
