PT 620 Flexor 4arm
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| On the dorusm of the hand the fascia is _______ and ________ to allow for movement of the skin | thin and loose
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| On the palmar surface of the hand the superfiscial fascia blends with the _________ _________ and is ________ forming flexor lines of the skin | deep fascia, dense
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| Wha tis enclosed in the antebrachial(deep) fascia | flexors and extensors of the forearm in a cylindrical sheath
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| The deep fascia attaches along the length of the _______ border of the ______ and sends a septum to the ___________ dividing the forearm into flexor and _________ croups | subcutaneous, ulna, radius, extensor
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| Name the cutaneous innervation of the forearm | 1. Posterior antebrachial 2. Medial antebrachial 3. Lateral antebrachial
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| Which cutaneous nerve is branch of the radial n.? medial cord? continuation of musculocutaneous? | 1. Posterior antebrachial 2. medial antebrachial 3. lateral antebrachial
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| Name the four superficial muscles of the forearm. | 1. Pronator Teres 2. Flexor Capitis Radialis 3. Palmaris Longus 4. Flexor Carpi Ulnaris
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| What muscles originates on the medial epicondyle and goes to the palmar aponeurosis? | Palmaris Longus
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| What muscle has 2 heads and one origiantes on the medial epicondyle and the other on the coronoid process of the ulna? | pronator teres
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| What muscle originates on the medial epicondyle and goes to the base of the 2nd metacarpal? | flexor carpi radialis
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| What muscle insets mid radius? | pronator teres
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| What muscle has two heads one that attaches to the medial epicondyle and the other head to the posterior border of the upper ulna? | flexor Carpi Ulnaris
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| What muscle's action is pronation of forearm, weak flexor of elbow? | Pronator Teres
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| What is the action of Flecor Carpi radialis? | wrist flexion, radial deviation
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| What muscle inserts on the pisiform, hamate, bse of 5th metacarpal? | Flexor Carpi Ulnaris
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| What muscle just does wrist flexion? | palmaris longus
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| What muscle does wrist flexion and ulnar deviation? | Flexor carpi ulnaris
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| What myotome is responsible for wrist flexion? | C7
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| What muscle is i the intermediate layer of the forearm? | flexor digitorum superficialis
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| Where do the two heads attach? | 1. medial epicondyle, coronoid process of ulna 2. upper radius
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| The tendons lie in a ________ ______ under _______ retinaculum shared with waht muscle? | common sheath, flexor, flexor digitorum profundus
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| Where are the middle and ring finger tendons in relation to the index and little finger tendons? | above
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| The 4 tendons of the flexor digitorum superficialis inserts on each side of the base of the __________ _____________. | middle phalanx
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| Why do the flexor digitorum superficialis tendons split? | to allow the flexor digitorum profundus tendons to pass through
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| What nerve innervates the flexor digitorum superficialis muscle? | median
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| What muscle flexes the proximal interphalangeal joint? | flexor digitorum superficialis
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| Name the three muscles of the Deep Layer of the forearm | 1. Flexor Pollicus Longus 2. Flexor Digitorum 3. Pronator Digitorum Profundus
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| What muscle originates from the middle radius and interosseus membrane? | flexor pollicis longus
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| what muscle originates on the distal ulna and goes to the distal radius? | pronator quadratus
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| What muscle origintaes on the upper 3/4 of the ulna and interosseus membrane? | Flexor digitorum profundus
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| What muscle inserts on the base of the distal phalanx of the thumb? | flexor pollicis longus
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| What muscle inserts on the base of the distal phalanx? | flexor digitorum profundus
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| What muscle goes from the middle radius and interosseus membrane and goes to the base of the distal phalanx of thumb? | flexor pollicis longus
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| What muscle goes from the upper 3/4 of ulna and interosseus membrane to the base of distal phalanx? | flexor digitorum profundus
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| The flexor digitorum profundus is dually innervated by what nerves? | 1. median (to digits 2 and 3) 2. ulnar n. (to digits 4 and 5)
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| The median n. (alone) innervates what two muscles? | flexor pollicus longus and pronator quadratus
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| What branch of the median nerve innervates all three of the forearm deep layer muscles? | anterior interosseus n.
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| What muscle flexes the distal phalanx of thumb (as well as proximal phalanx)? | flexor pollicis longus
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| what is the action of the flexor digitorum profundus? | flexes distal phalanx
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| Pronation of the forearm is done by what muscle? | pronator quadratus
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| All the muscles of the forearm are innervated by median n., except... | 1. flexor carpi ulnaris 2. ulnar 1/2 of flexor digitorum profundus
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| The flexor carpi ulnaris and ulnar 1/2 of flexor digitorum profundus are innervated by... | ulnar n.
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| The median n. has what spinal cord segments in it? | C6-T1
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| The median n. runs medial to what artery in the cubital fossa? | brachial artery
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| The median nerve through the heads of what muscle? | pronator teres
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| The median nerve runs deep to what muscle? | flexor digitorum superficialis
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| The median nerve gives off what branch to the deep group? | anterior interosseus
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| Last, The median nerve passes under the _______ __________ | flexor retinaculum
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| The ulnar nerve contains what nerve fibers? | C8-T1
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| 1. The ulnar nerve passes behind the ________ ________ | medial epicondyle
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| 2. The ulnar n. passes through the heads of what muscle? | flexor carpi ulnaris
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| 3. Then the ulnar n. passes between what two muscles? with what artery? | flexor carpi ulnaris and flexor digitorum profundus with the ulnar artery
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| 4. The ulnar n. and ulnar artery cross anterior to what? near the ________ bone in Guyon's canal | flexor retinaculum, pisiform
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| The radial n. has what nerve fibers in it? | C5-T1
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| The deep branch of the radial n. pierces what muscle to go to the __________ forearm. | supinator, extensor
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| The superficial branch of the radila n. runs deep to what muscle? the on the radial side of what artery? | brachioradialis, radial
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| The radial nerve ends by providing cutaneous innervation to what? | dorsum of the hand
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| The brachial artery divides at what into two terminal branches? | level of the neck of the radius
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| What are the two branches of the brachial artery? | 1. ulnar 2. radius
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| The radial artery runs under what muscle? | brachioradialis
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| The radial artery runs ________ around the wrist to the ________ of the hand | laterally, dorsum
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| 1. The ulnar artery goes from the _________ fossa, passes deep to _________ head of the _________ _________. | cubital, ulnar, pronator teres
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| 2. The ulnar artery passes deep to what muscle? | flexor digitorum superficialis
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| 3. Then the ulnar a. runs with what n.? between what two muscles? | ulnar, flexor carpi ulnaris and flexor digitorum profundus
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| The ulnar artery branches off into what? | common interosseus
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| The common interosseus artery branches in to what two arteries? | anterior and posterior interosseus
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| The ulnar artery crosses anterior to what? with what nerve? | flexor retinaculum, ulnar n.
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| The flexor retinaculum is a ________ thickening of the deep fascia. | distal
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| The flexor retinaculum is also known as... | transverse carpal ligament
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| The flexor retinaculum is distinct and deeper to what ligament? | palmar carpal
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| The flexor ret. attaches to what? | carpals
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| It converts the carpal groove into the... | carpal tunnel
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| What is the tendon of the flexor carpi radialis? | palmar longus
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| What is deep to the retinaculum? | 1. median nerve 2. tendons of flexor digitorum profundus and superficialis 3. tendon of flexor pollicis longus
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| Name the four joints of the wrist. | 1. Distal Radioulnar Joint 2. radiocarpal joint 3. Midcarpal joint 4. carpometacarpal joints
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| The distal radioulnar joint is in a __________ joint cavity. | seperate
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| what separates the radioulnar joint from the radiocarpal joint? | articular disc
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| where is the radiocarpal joint located? | between radius, articular disc and scaphoid, lunate and triquetral
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| What are the ligaments of the radiocarpal joint? | 1. Radial collateral 2. Ulnar collateral
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| The midcarpal joints are held together by what? | intercarpal ligaments
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| The 1st metacarpal articulates with? | trapezium
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| The 2nd metacarpal articulates with? | trapezoid
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| The 3rd metacarpal articulates with? | capitate
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| The 4th and 5th metacarpal articulate with? | hamate
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