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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
muscles that depress the pectoral girdle? innervation?
rhomboids (DSn), levator scapulae (DSn)

==>RL
muscles that Retract and Protract the pectoral girdle? innervation?
Retractors: trapezius (Ac n.), rhomboids (DSn), levator scapulae (DSn)
==>TRL

Protractors: serratus anterior (LTn)
muscles that flex the shoulder joint? innervation?
biceps brachii (Musc.n.), coracobrachialis (Muscn), deltoids (anterior fibers; Ax n.), pectoralis major (clav. fibers; medial & lat. pec n.)

==>BbCDPm
extensor muscles of the shoulder joint? innervation?
latissimus dorsi (Thcd n.), deltoids (post. fibers; Ax. n),
pectoralis major (sternal fibers; M&L P n.)
Abductor muscles of shoulder joint? innervation?
deltoids (Ax. n), supraspinatus (iniates abduction, suprascapular n),
Adductor muscles of shoulder joint? innervation?
pectoralis major (sternal&clavicular fibers, M&L Pn),
latissimus dorsi (Thcd n)
Flexors of the elbow joint? innervation?
brachialis (Musculocutaneous n.)
biceps brachii (Msct n)
brachioradialis (Rn)
Extensor of elbow joint? innervation?
Triceps (Rn)
pronation of radioulnar joint (superior & inferior)? innervation?
pronator teres (Median n); from CFO(medial epicondyle of humerus)
pronator quadratus (Median n)
supination of radioulnar joint (superior & inferior)? innervation?
supinator (Mn) from CEO (medial epicondyle of humerus post. surface)
biceps brachii (Msct n)
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
extensors of wrist joint? innervation?
ECRL, ECRB, ECU, ED
**all by radial nerve
outcropping muscles?
innervation?
posterior muscles of the forearm; muscles to the ; EI, APL, EPB, EPL
**all innervated by the radial nerve
extrinsic muscles acting on the digits? innervation?
provide grip and range
FDS**, FDP**
ED^^, EI^^
**median n. ^^radial
intrinsic muscles acting on the digits? innervation?
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
bones of the carpals?
8 bones
distal to wrist joint:
Tz, Tp, C, H
S, L, Tq, P
explain carpal tunnel syndrome?
due repetitive movement of the radio carpal joint; median nerve passes through carpal tunnel; carpal tunnel swelling, hence pressure on median nerve produces pain
purpose of annular ligament and interosseus membrane?
holds the head of the radius in place against the ulna
what is the glenoid labrum?
rim of fibrocartilage goes around the joint
prupose of coracoacromial ligament?
an extrinsic ligament that prevets upward dislocation of the humerus
origin and insertion of Flexor Digitorum superficialis?
from common flexor origin to 4 fingers attaching to mid phalanges
origin and insertion of Flexor digitorum profundus?
from ulna to distal phalanges
O & I of Flexor Pollicis Longus?
from ulna to phalanges of thumb
O & I of Extensor Digitorum?
from common extensor origin of medial of posterior side of medial epicondyle of humerus to 4 phalanges
O & I of Extensor Carpi Ulnaris?
from CEO to 5th metacarpal