quizzes

• considered abnormal curvatures of the spine

  thoracic lordosis, sacral lordosis, scoliosis
• what structures are unique to the cervical spine?

  transverse foramen

  bifid spinous process
• what extension of the pia mater anchors the spinal cord to the dura mater?

  denticulate ligament
• which deep segmental muscle assists in respiration by elevating the ribs?

  levatores costarum
• what muscles provide proprioceptive feedback about the spine?

  multifidus
• The clavicle has one end that articulates with the sternum and one end that articulates with the ________.

  acromion of the scapula
• The scapula overlays ribs ______ of the thoracic cage.

  2-7
• Which muscles attach to the coracoid process of the scapula?

  Coracobrachialis, Pectoralis minor, Biceps brachii short head 
• What bony landmark of the scapula does triceps brachii long head attach to?

  infraglenoid tubercle
• Which movement is primarily associated with the scapulothoracic joint?

  elevation of the shoulder
• The transverse cervical artery is typically a branch of the

  thyrocervical trunk
• the first branch of the axillary artery?

  superior thoracic a.
• This artery splits into the circumflex scapular artery and thoracodorsal artery.

  subscapular a.
• a branch of the brachial artery?

  deep brachial a.
• The ulnar and radial arteries form the ____________ of the hand.

  deep and superficial palmar arches 
• What is the insertion of subscapularis?

  lesser tubercle of humerus
• What is the insertion of infraspinatus?

  greater tubercle of humerus (middle facet)
• What is the origin of subscapularis?

  subscapular fossa
• What is the insertion of serratus anterior?

  Medial border of scapula, anterior surface from superior to inferior angle
• What is the origin of subclavius?

  rib 1
• What is the insertion of iliocostalis lumborum?

  Ribs 6-12 and transverse processes of upper lumbar vertebrae 
• What is the insertion of latissimus dorsi?

  Floor of the intertubercular groove of the humerus 
• What is the origin of levator scapulae?

  Transverse processes of C1-C4 
• What is the origin of lower trapezius?

  Spinous processes of T5-T12 
• What is the origin of middle trapezius?

  Spinous processes of T1-T4 
• What is the insertion of splenius capitis?

  Lateral side of the superior nuchal line and mastoid process 
• What is the insertion of pectoralis minor?

  coracoid process of scapula 
• What is the origin of teres minor?

  Lateral border of the scapula 
• The antebrachium refers to the portion of the upper limb ______.

   Between the elbow and the wrist 
• The glenohumeral joint has a loose, fibrous joint capsule 
• 180 degrees of abduction includes 60 degrees of scapular rotation and 120 degrees of upward rotation (abduction) of the humerus
• In addition to external and internal rotation, what is another important function of the rotator cuff muscles?

  The rotator cuff muscles hold the humeral head in the glenoid cavity, stabilizing the joint
• Which of the following muscles act to elevate the scapula on the thoracic wall?

  Trapezius and levator scapulae 
• The axillary nerve and posterior humeral circumflex artery pass through this space to access the posterior deltoid muscle.


  quadrangular space
• The upper trapezius (descending fibers) inserts on the clavicle bone. What is the origin of upper trapezius?

  Occipital bone (superior nuchal line) and spinous processes of C1-C7
• This muscle adducts the arm when the humerus is free. When the humerus is fixed this muscle contributes to raising the trunk.

  Latissimus dorsi 
• Which of the following muscles inserts on the coracoid process of the scapula?

  Pectoralis minor 
• What branch of the axillary artery contributes to blood supply of the lateral breast and thoracic wall?

  Lateral thoracic artery 
• The musculocutaneous nerve is a terminal branch of the ________________.

  lateral cord
• Which of the arteries listed contributes to the scapular anastomoses?

    Suprascapular artery, Circumflex scapular artery, Dorsal scapular artery