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26 Cards in this Set
- Front
- Back
muscles that elevate the pectoral girdle?
innervation? |
trapezius, levator scapulae, rhomboids
T-Acessory n. LS-dorsal scapular n. R-dorsal scap. n. ==>TRL |
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muscles that depress the pectoral girdle? innervation?
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rhomboids (DSn), levator scapulae (DSn)
==>RL |
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muscles that Retract and Protract the pectoral girdle? innervation?
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Retractors: trapezius (Ac n.), rhomboids (DSn), levator scapulae (DSn)
==>TRL Protractors: serratus anterior (LTn) |
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muscles that flex the shoulder joint? innervation?
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biceps brachii (Musc.n.), coracobrachialis (Muscn), deltoids (anterior fibers; Ax n.), pectoralis major (clav. fibers; medial & lat. pec n.)
==>BbCDPm |
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extensor muscles of the shoulder joint? innervation?
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latissimus dorsi (Thcd n.), deltoids (post. fibers; Ax. n),
pectoralis major (sternal fibers; M&L P n.) |
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Abductor muscles of shoulder joint? innervation?
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deltoids (Ax. n), supraspinatus (iniates abduction, suprascapular n),
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Adductor muscles of shoulder joint? innervation?
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pectoralis major (sternal&clavicular fibers, M&L Pn),
latissimus dorsi (Thcd n) |
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Flexors of the elbow joint? innervation?
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brachialis (Musculocutaneous n.)
biceps brachii (Msct n) brachioradialis (Rn) |
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Extensor of elbow joint? innervation?
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Triceps (Rn)
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pronation of radioulnar joint (superior & inferior)? innervation?
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pronator teres (Median n); from CFO(medial epicondyle of humerus)
pronator quadratus (Median n) |
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supination of radioulnar joint (superior & inferior)? innervation?
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supinator (Mn) from CEO (medial epicondyle of humerus post. surface)
biceps brachii (Msct n) |
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flexors of wrist joint?
innervation? |
superficial layer: FCR**, PL**, FCU(Rn) **inner. median n.
middle layer: FDS** deep layer: FPL**, FD**^ (1/2 by Radial n) ^^^from CFO |
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extensors of wrist joint? innervation?
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ECRL, ECRB, ECU, ED
**all by radial nerve |
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outcropping muscles?
innervation? |
posterior muscles of the forearm; muscles to the ; EI, APL, EPB, EPL
**all innervated by the radial nerve |
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extrinsic muscles acting on the digits? innervation?
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provide grip and range
FDS**, FDP** ED^^, EI^^ **median n. ^^radial |
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intrinsic muscles acting on the digits? innervation?
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provide fine positioning
lumbricals (flex MCP& extend IP joints) interossei**(also Abd&Add the fingers) hypothenar muscles (form hypothenar eminence: add. digiti minimi, flexor digiti minimi, opponens digit minimi) (lateral 2 lumbricals by Median n.) Dorsals Abduct(DAB) Palmars Adduct (PAD) ***all innervated by ulnar nerve except for thenar muscles and lateral 2 lumbricals |
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bones of the carpals?
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8 bones
distal to wrist joint: Tz, Tp, C, H S, L, Tq, P |
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explain carpal tunnel syndrome?
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due repetitive movement of the radio carpal joint; median nerve passes through carpal tunnel; carpal tunnel swelling, hence pressure on median nerve produces pain
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purpose of annular ligament and interosseus membrane?
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holds the head of the radius in place against the ulna
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what is the glenoid labrum?
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rim of fibrocartilage goes around the joint
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prupose of coracoacromial ligament?
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an extrinsic ligament that prevets upward dislocation of the humerus
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origin and insertion of Flexor Digitorum superficialis?
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from common flexor origin to 4 fingers attaching to mid phalanges
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origin and insertion of Flexor digitorum profundus?
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from ulna to distal phalanges
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O & I of Flexor Pollicis Longus?
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from ulna to phalanges of thumb
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O & I of Extensor Digitorum?
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from common extensor origin of medial of posterior side of medial epicondyle of humerus to 4 phalanges
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O & I of Extensor Carpi Ulnaris?
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from CEO to 5th metacarpal
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