Anterior Forearm Muscles:Pronator Teres Quadratus, FCR, FCU, FDS, FDP, FPL

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Flexor Muscles - Origin, insertion, nerve innervation, muscle actions of Anterior Forearm muscles

Medial epicondyle and coranoid process

Origin of Pronator Teres

Medial Epicondyle

Origin of Palmaris Longus

Radius

Insertion of Pronator Teres

flexor retinaculum, palmaris apenerosis

Insertion of Palmaris Longus

Pronator Teres, Palmaris Longus, FCR, FCU, FDS, FDP, PL, Pronator quadratus

Name all 8 Flexor Muscles (abbreviate for Flexors)

Median nerve

Nerve innervation for Pronator Teres

Pronation of forearm, helps with elbow flexion

Action of Pronator Teres

Medial Epicondyle

Origin of Flexor Carpi Radialis

Medial epicondyle, Coronoid process

Origin of Flexor Carpi Ulnaris

Median Nerve

Nerve Innervation of Palmaris Longus

Pronation of Forearm, elbow flexion (helps)

Muscle action of Pronator Teres

Wrist flexion

Muscle Action of Palmaris Longus

Metacarpal 2 and 3

Insertion of Flexor Carpi Radialis

Median Nerve

Nerve Innervation of Flexor Carpi Radialis

Wrist flexion, radial deviation

Muscle Action of Flexor Carpi Radialis

Pisiform, Hook of Hamate, Metacarpal 5

Insertion of Flexor Carpi Ulnaris

Ulnar Nerve

Nerve innervation of Flexor Carpi Ulnaris

Wrist flexion, ulnar deviation

Muscle actions of Flexor Carpi Ulnaris

Medial epicondyle, Coronoid process, Superior 1/2 radius

Origin of Flexor Digitorum Superficialis

Humeral head

Medial epicondyle is located where on what bone

Humeral head

Coronoid process is located on what bone

Humeral head via medial epicodyle

Common flexor tendon is located where on bone

Mid phalanges digits 2-5

Insertion of Flexor Digitorum Superficialis

Median Nerve

Nerve innervation of Flexor Digitorum Superficialis

Flexion of PIP joints digits 2-5, helps flex MCP joint, wrist flexion

Muscle Action of Flexor Digitorum Superficialis

Proximal 3/4 of anterior and posterior of Ulna, interosseous membrane

Origin of Flexor Digitorum Profundus

Distal phalanges digits 2-5

Insertion of Flexor Digitorum Profundus

Median Nerve (tendon 1,2), Ulnar Nerve (tendon 3,4)

Nerve innervation for Flexor Digitorum Profundus

Flexion of DIP joints digits 2-5

Muscle action of Flexor Digitorum Profundus

Anterior Aspect of radius, interosseous membrane

Origin of Flexor Pollicis Longus

Distal phalanx digit 1

Insertion of Flexor Pollicis Longus

Median Nerve

Nerve innervation of Flexor Pollicis Longus

Thumb flexion

Muscle action of Flexor Pollicis Longus

Distal 1/4 ulna

Origin of Pronator Quadratus

Distal 1/4 radius

Insertion of Pronator Quadratus

Median nerve

Nerve innervation of Pronator Quadratus

Forearm pronation

Muscle action of Pronator Quadratus

Palmar apeneurosis

Origin of Palmaris Brevis

Skin of hand

Insertion of Palmaris Brevis

Ulnar nerve

Nerve innervation of Palmaris Brevis

None

Muscle action of Palmaris Brevis

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