anatomy exam 1

• spinal accessory nerve
• transverse cerivcal artery

• thoracodorsal nerve
• thoracodorsal artery

• dorsal scapular nerve
• dorsal scapular artery

• dorsal scapular nerve
• dorsal scapular artery

• dorsal scapular nerve
• dorsal scapular artery

• axillary nerve
• posterior circumflex artery
• (abducts arm)

• suprascapular nerve
• suprascapular artery
• (abducts the arm)

• suprascapular nerve
• suprascapular artery
• (laterally rotates the arm)

• axillary nerve
• circumflex scapular artery
• (laterally rotates the arm)

• lower subscapular nerve
• circumflex scapular artery
• (adducts the arm)

• dorsal rami of cervical spinal nerves and greater occipital nerve
• muscular branch of aorta

• dorsal rami of cervical spinal nerves
• muscular branch of aorta

• suboccipital nerve
• (flexes head laterally)

• suboccipital nerve
• (rotates head laterally)

• suboccipital nerve
• (rotates head laterally)

• suboccipital nerve
• (rotates atlas and skull)

• spinal accessory nerve or cranial nerve XI
• (flex and rotate the head)

• intercostal nerves
• intercostal arteries

• intercostal nerves
• intercostal arteries

• medial and lateral pectoral nerves
• pectoral branch of the thoracoacromial artery

• medial pectoral nerve
• pectoral branch of the thoracoacromial trunk

• long thoracic nerve
• lateral thoracic artery

• nerve to subclavius
• clavicular branch of the thoracoacromial artery

• musculocutaneous nerve
• brachial artery

• musculocutaneous nerve
• brachial artery, radial recurrent artery

• musculocutaneous neve
• brachial artery

• radial nerve
• profunda brachii

• radial nerve
• profunda brachii artery, interosseous recurrent artery

• median nerve
• ulnar artery
• -median nerve passes between two heads at origin
• (superficial layer of anterior region of forearm)

• median nerve
• ulnar artery
• -flexes wrist, abducts the hand
• (superficial layer of anterior region of forearm)

• median nerve
• ulnar artery
• -absent in about 13% of population
• (superficial layer of anterior region of forearm)

• ulnar nerve
• ulnar artery
• -ulnar nerve passes between two heads of origin
• (superficial layer of anterior region of forearm)

• median nerve
• ulnar artery
• -flexor or proximal interphalangeal joints, metacarpophalngeal joints, and the wrist joint
• (intermediate layer of anterior region of forearm)

• anterior interosseus nerve branch of median (radial half), ulnar nerve (ulnar half)
• anterior interosseous artery (branch of ulnar artery)
• -flexes the metacarpophalangeal, proximal interphalangeal, and distal interphlangeal joints
• (deep layer of anterior region of forearm)

• anterior interosseous branch of the median nerve
• anterior interosseous artery (branch of ulnar artery)
• -flexes metacarpophalangeal and interphlangeal joints of the thumb
• (deep layer of anterior region of forearm)

• median nerve
• anterior interosseous artery (branch of ulnar artery)
• (deep layer of anterior region of forearm)

• radial nerve
• radial recurrent artery
• -primary action is elbow flexion
• (superficial layer of posterior region of forearm)

• deep terminal branch of radial nerve
• radial artery
• -extension and abduction
• (superficial layer of posterior region of forearm)

• deep terminal branch of radial nerve
• radial artery
• -extension and abduction
• (superficial layer of posterior region of forearm)

• deep terminal branch of radial nerve
• anterior and posterior interosseous artery (branch of ulnar artery)
• -extends metacarpophlangeal, proximal interphalangeal, and distal interphalangeal joints
• (superficial layer of posterior region of forearm)

branch of median nerve

branch of the ulnar nerve

• deep terminal branch of radial nerve
• interosseous recurrent artery (from posterior recurrent artery)
• -extends metacarpophalangeal, proximal interphalangeal, and distal interphalangeal joints of the 5th digit
• (superficial layer of posterior region of forearm)

• deep terminal branch of radial nerve
• ulnar artery
• -extends the wrist, adducts the hand
• (superficial layer of posterior region of forearm)

• deep terminal branch of radial nerve
• recurrent interosseous artery (from posterior interosseous artery)
• (deep layer of posterior region of forearm)

• deep terminal branch of radial nerve
• posterior interosseous artery
• -abducts at carpometacarpal joint of thumb
• (more lateral than extensor pollicis longus)
• (deep layer of posterior region of forearm)

• deep terminal branch of radial nerve
• posterior interosseous artery
• -extends at metacarpophalangeal
• (deep layer of posterior region of forearm)

• deep terminal branch of radial nerve
• posterior interosseous artery
• -extends at interphalangeal
• (deep layer of posterior region of forearm)

• deep terminal branch of radial nerve
• posterior interosseous membrane
• -extends index finger at metacarpophalangeal, proximal interphalangeal, and distal interphalangeal joints
• (deep layer of posterior region of forearm)

• recurrent branch of median nerve
• superficial palmar branch of radial artery
• -abducts thumb

• recurrent branch of median nerve
• superficial palmar branch of the radial artery
• -flexes the carpometacarpal and metacarpophalangeal joints of the thumb

• recurrent branch of median nerve
• superficial palmar branch of the radial artery
• -opposes the thumb

• ulnar nerve, deep branch
• deep palmar arterial arch
• -adducts the thumb
• (not a thenar muscle)

• deep branch of the ulnar nerve
• ulnar artery
• -abducts the 5th digit

• deep branch of the ulnar nerve
• ulnar artery
• -flexes the carpometacarpal and metacarpophalangeal joints of the 5th digit

• deep branch of the ulnar nerve
• ulnar artery
• opposes the 5th digit

• superficial branch of the ulnar nerve
• ulnar artery
• -draws skin of ulnar side of hand toward center of palm

• median nerve (radial 2) and ulnar nerve (ulnar 2)
• superficial palmar arterial arch
• -first two are unipennate, last two are bipennate
• -flex metacarpophalangeal while extending proximal and distal interphalangeal joints

• deep branch of ulnar nerve
• dorsal and palmar metacarpal arteries
• -abducts digits 2-4
• (4 muscles between metacarpals)

• deep branch of ulnar nerve
• palmar metacarpal artery
• -adducts digits 2, 4, 5
• - 3 muscles

axillary nerve and posterior circumflex humeral artery leaves this space

circumflex scapular artery leaves this space

musculocutaneous nerve

• convex anteriorly
• from apex of odontoid process of C2 to middle of T2

• concave anteriorly
• from the middle of T2 to the middle of T12

• convex anteriorly
• from the middle of t12 to the sacral promontory

• concave anteriorly
• from the sacral promontory to the tip of the coccyx

increased posterior convexity in the thoracic region

exaggerated anterior convexity of the lumbar region

a hole through the transverse processes to transmit the vertebral artery and vein

empties into the left subclavian vain (one of two main ducts)

empties into the right subclavian vein (one of two main ducts...drains just the right side of the head and upper extremities)

drains head and neck region

drains upper extremity

drains the thorax

• sac by abdomen that serves as a drainage center for the lymph in the abdomen
• intestinal trunks and lumbar trunks empty into it. superiorly, drains into the thoracic duct

drains the lower extremities and pelvis

drains thoracic and abdominal walls, but not skin and superficial fascia of thorax or abdomen

one vessel opens into another

circulation is maintained in small anastomosing vessels when the main vessel is obstructed

a venous system interrupted by a capillary bed

intravascular clot that remains at its site of formation

clot or plug carried by the blood that lodges in a vessel

relaxation

contraction

large amounts of fluid in the intercellular tissue spaces of the body

deficiency of blood

flattened tendon

thin fibrous region between two flat muscles

permanent, pathologic shortening of a muscle when muscle is replaced by scare tissue

12, 7 true, 5 false

• 33
• 7 cervical
• 12 thoracic
• 5 lumbar
• 5 sacral
• 4 coccygeal

articulates with the head of the radius

articulates with the ulna