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WEEK 23:

Anterior arm, forearm, wrist and hand:

QuestionAnswer
shoulder movement Flexion and extension, Medial and lateral rotation, and Abduction and adduction
elbow movement Flexion and extension and Pronation and supination (radio-ulnar joints)
wrist movement Flexion and extension, and Abduction and Adduction
arm essential structures 1. The two heads of biceps brachii muscle and its attachment 2. The brachialis and coracobrachialis muscles 3. Motor and sensory parts of the musculocutaneous nerve 4. The brachial artery and its bifurcation
forearm essential structures 5cubital fossa boundaries + contents 6main parts median + ulnar nerve to wrist 7wrist flexor muscles + long flexor muscles of fingers 8 pronator muscles of forearm 9 radial + ulnar arteries to wrist + radial pulse site lateral to flexor carpi radialis
humerus structures (9) has anatomic and surgical neck, greater and lesser tubercles, intertubercular sulcus (bicipital groove), deltoid tuberosity, radial (spiral) groove, medial and lateral epicondyles, capitulum, trochlea, and olecranon fossa
radius structures (5) head, neck, tuberosity, styloid process, and interosseous border
ulnar structures (4) head, olecranon, interosseous border, and styloid process
AP projection of radiology of elbow joint (2) lateral humeral epicondyle and medial humeral epicondyle
projection of both on elbow joint radiology (8) olecranon, olecranon fossa, head of radius, neck of radius, radial (bicipital) tuberosity, coracoid process, trochlea of humerus and capitulum of humerus
muscles of the anterior arm biceps brachii, coracobrachialis, and brachialis
nerve in anterior arm muscles musculocutaneous nerve
blood vessels in anterior arm muscles brachial artery and vein
branches of brachial artery (3) profunda brachii which terminates by bifurcating into radial and ulnar arteries, common interosseous artery off ulna artery, and ulnar and radial arteries anastomose into palmar arches
cubital fossa borders (5)** medial border (), lateral border (), floor made of proximal brachialis and distal made of supinator, roof made of skin and fascia
cubital fossa contents (medial lateral) median nerve, brachial artery, biceps tendon, and radial nerve
anterior forearm - intermediate muscles flexor digitorium superficialis, and median nerve (C7, C8, T1)
brachioradialis - difference between rest
anterior forearm - superficial muscles innervated by median nerve
anterior forearm - deep muscles Flexor digitorum profundus Lateral: median nerve (C8, T1) Medial: ulnar nerve (C8, T1) Flexor policis longus Anterior interosseous nerve [AIN] (C8, T1) Pronator quadratus AIN (C8, T1)
IN anterior interosseous nerve (specific branch of median nerve)
hand- anterior and superficial Palmar aponeurosis Thenar muscles Hypothenar muscles Intrinsic muscles
hand muscles - thenar supplied by median nerve, opponens pollicis, abductor pollicis brevis, and flexor pollicis brevis
hand muscles - hypothenar opponens digiti minimi, abductor digiti minimi, and flexor digiti minimi brevis- is innverated by ulnar nerve
lumbricals** lateral/ radial - median nerve medial/ ulnar - ulnar nerve
interossei dorsal (finger abduction innvervated by ulnar nerve), and palmar (finger abduction innverated by ulnar nerve)
carpal tunnel boundaries Carpal arch: Lateral: Scaphoid and trapezium tubercles Medial: Hook of hamate and pisiform Roof: Flexor retinaculum
contents of carpal tunnel 1 nerve: Medial nerve 9 tendons: flexor digitorum superficialis (4 tendons) flexor digitorum profundus (4 tendons) flexor pollicis longus (1 tendon)
fascia of the hand Thenar muscles Hypothenar muscles Flexor tendons, sheaths and lumbricals Adductor pollicis Interossei Spaces: Midpalmar and thenar
movements of the upper limb (hand - FINGERS) Fingers: Digital flexion and extension Abduction and adduction
movements of the upper limb (hand - THUMBS) abduction, adduction, extension, flexion, opposition, and reposition
distribution and test for integrity of nerves**
territories of cutaneous sensation in anterior upper limb
hand radiology
Created by: kablooey
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