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Extremities M and N

Extremities muscles and nerves

QuestionAnswer
Name the superficial flexors of the forearm Pronator teres, palmaris longus, flexor carpi radialis and flexor carpi ulnaris
What innervates the pronator teres, palmaris longus and flexor carpi radialis? Median nerve (Lateral and Medial Cord)
What innervates the flexor carpi ulnaris? Ulnar nerve
Name the intermediate muscle of the forearm Flexor digitorum superficialis
What innervates the flexor digitorum superficialis? Median
Name the deep flexor muscles of the forearm Flexor Digitorum Profundus, Flexor pollicis longus and pronator quadratus
What innervates the flexor digitorum profundus? Lateral: Median nerve, Medial: Ulnar nerve
What innervates the flexor pollicis longus and pronator quadratus? Median nerve
What innervates the muscles in the dorsal part of the forearm(extensors)? Radial nerve(Posterior cord)
Name the superficial extensors of the forearm Brachioradialis, Carpi radialis brevis, carpit radialis longus, carpi ulnaris, digitorum and digiti minimi
Name the deep extensors of the forearm Supinator, abductor pollicis brevis, extensor pollicis brevis, extensor pollicis longus, extensor indicis
Name the muscles of the anterior compartment of the arm Coracobrachilais, Brachialis and biceps branchi (Elbow flexion and innervated by Musculocutaneous nerve from lateral cord)
Name the muscles of the posterior compartment of the arm Triceps branci and anconeus (extension of forearm and innervated by radial nerve)
Name the six shoulder muscles Deltoid, Supraspinatus, Infraspinatus, Teres minor, subscapularis and teres major
Name the rotator cuff muscles Supraspinatus, Infraspinatus, teres minor and subscapularis
What shoulder muscles do the axillary nerve innervate? Deltoid and teres minor
What shouler muscles do the suprasacpular nerve innervate? Supraspinatus and infraspinatus
What shoulder muscles do the lower subscapular nerve innervate? Subscapularis and teres major
What branch comes off the 1st part of the axillary artery? Superior thoracic artery
What branches comes off the 2nd part of the axillary artery? Thoracoacromial and lateral thoracic artery
What branches come off the 3rd part of the axillary artery? Posterior and Anterior circumflex humeral artery and subscapular artery
Name the thenar muscles Abductor pollicis brevis, Flexor Pollicis Brevis, Opponens pollicis (Median nerve innervation)
Name the hypothenar muscles Opponens digiti minimi, flexor digiti minimi and abductor digiti minimi (Ulnar nerve innervation)
Name the muscle in the adductor compartment Adductor pollicis: Transverse and oblique head (ulnar nerve innervation)
What innervates the lumbricial muscles of 2 and 3? Median
What innervates the lumbrical muscles of 4 and 5? Ulnar
What makes up the superficial palmar arch? Superficial branch of ulnar artery and superficial palmar branch of radial artery
What do the 3 palmar interosseous muscles do? Adductors (Ulnar nerve)
What do the 4 dorsal interosseous muscles do? Abductors (Ulnar nerve)
What do lumbricals and interosseous flex and extend? Flex the metacarpophalangeal joint and extend the proximal and distal interphalengeal joints
Name the muscles of the anterior compartment of the thigh Rectus femoris, vastus lateralis, vastus intermedius, vastus medialis and sartorius
What innervates the anterior compartment of muscles of the thigh? Femoral nerve
What is te biggest flexor of the hip joint? Iliopsoas
Name the muscles of the medial compartment of the thigh Adductor longus, adductor brevis, adductor magnus and gracialis (sometimes pectinis)
What innervates the medial compartment of the thigh? Obturator
What innervates the pectinis? Obturator and femoral nerve
Name the muscles of the posterior compartment of the thigh Biceps femoris, semitendinous and semimembranous
What innervates the posterior compartment of the thigh? Tibial and common fibular divisions of sciatic nerve
What nerve innervates the gluteus maximus? Inferior gluteal nerve
Name the muscle that is a strong lateral rotator of the thigh Quadrate femoris
Name the superficial muscles of the back Trapezius, Latissimus Dorsi, Rhomboid major, rhomboid minor and levator scapulae
What superficial back muscles does the dorsal scapular nerve (C5) innervate? Rhomboid major and minor and levator scapulae
What innervates the latissimus dorsi? Thoracodorsal nerve
What innervates the trapezius? Accessory nerve (cranial XI) and branches of C3 and C4 are sensory innervation
Name the layers of the intermediate back muscles Serratus posterior superior and inferior muscle
What innervates the serratus posterior superior and inferior muscles? Intercostal nerves: Superior (2-5) Inferior (9-12)
Name the deep muscles of the back Splenius capitis, splenius cervicis, erector spinae and transversospinal group (Semispinalis, multifudus, rotatores)