You are testing elbow extension strength in a patient. Which bony landmark provides the main distal attachment for the muscle responsible for this movement?

THORAX (total: 15)

Fill in the answer: During a respiratory assessment, you locate the sternal angle to identify rib levels for auscultation. Which costal cartilage does this landmark correspond to? [BLANK-1]

Which membranous connective tissue structure, enclosing deep back muscles, contributes to lower back stability and serves as an attachment site for other lower back muscles? [BLANK-1]

A patient presents with weakness in extending the trunk after sustaining a lumbar strain while lifting a heavy object. Which muscle/muscle group is MOST likely affected?

BACK (total: 15)

Which statement correctly describes the atlanto-occipital joints?

Which is the correct attachment of the right crus of the diaphragm?

Select the correct part of the brachial plexus described by each statement:

Which ligament attaches from the base of the skull, along the tips of the cervical spinous processes to C7?