A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Flexor digitorum superficialis | |
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![]() | |
![]() Flexor digitorum superficialis | |
Details | |
Origin | Medial epicondyle of the humerus (common flexor tendon) as well as parts of the radius and ulna |
Insertion | Anterior margins on the base of the middle phalanges of the four fingers |
Artery | Radial artery |
Nerve | Median nerve |
Actions | Flexor of fingers (primarily at proximal interphalangeal joints) |
Antagonist | Extensor digitorum muscle |
Identifiers | |
Latin | musculus flexor digitorum superficialis |
TA98 | A04.6.02.033 |
TA2 | 2486 |
FMA | 38469 |
Anatomical terms of muscle |
Flexor digitorum superficialis (flexor digitorum sublimis) is an extrinsic flexor muscle of the fingers at the proximal interphalangeal joints.
It is in the anterior compartment of the forearm. It is sometimes considered to be the deepest part of the superficial layer of this compartment,[1][2] and sometimes considered to be a distinct, "intermediate layer" of this compartment.[3] It is relatively common for the Flexor digitorum superficialis to be missing from the little finger, bilaterally and unilaterally, which can cause problems when diagnosing a little finger injury.[4]
Structure
The muscle has two classically described heads – the humeroulnar and radial – and it is between these heads that the median nerve and ulnar artery pass.[5] The ulnar collateral ligament of elbow joint gives its origin to part of this muscle.
Four long tendons come off this muscle near the wrist and travel through the carpal tunnel formed by the flexor retinaculum. These tendons, along with those of flexor digitorum profundus, are enclosed by a common flexor sheath. The tendons attach to the anterior margins on the bases of the intermediate phalanges of the four fingers. These tendons have a split (Camper's Chiasm) at the end of them through which the tendons of flexor digitorum profundus pass.
Innervation
The Flexor digitorium superficialis muscle is innervated by the median nerve (C7, C8, T1).[6]
Function
The primary function of flexor digitorum superficialis is flexion of the middle phalanges of the four fingers (excluding the thumb) at the proximal interphalangeal joints, however under continued action it also flexes the metacarpophalangeal joints and wrist joint.
To test flexor digitorum superficialis, one finger is flexed at the proximal interphalangeal joint against resistance, while the remaining three fingers are held fully extended (to inactivate flexor digitorum profundus).
Additional images
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Tendons of forefinger and vincula tendina.
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Cross-section through the middle of the forearm.
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Transverse section across the wrist and digits.
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The mucous sheaths of the tendons on the front of the wrist and digits.
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The muscles of the left hand. Palmar surface.
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The radial and ulnar arteries.
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Flexor digitorum superficialis muscle
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Flexor digitorum superficialis muscle
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Flexor digitorum superficialis muscle
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Flexor digitorum superficialis muscle
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Flexor digitorum superficialis muscle
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Muscles of upper limb. Cross section.
References
- ^ MedicalMnemonics.com: 273 1117
- ^ "Dissector Answers – Forearm & Wrist". Archived from the original on 2011-07-18. Retrieved 2008-01-17.
- ^ "uams.edu". Archived from the original on 2008-01-19. Retrieved 2008-01-17.
- ^ Townley, W. A.; Swan, M. C.; Dunn, R. L. R. (June 2010). "J Hand Surg Eur". Journal of Hand Surgery (European Volume). 35 (5): 417–418. doi:10.1177/1753193409358523. PMID 20515987.
- ^ Drake, Richard L.; Vogl, A. Wayne; Mitchell, Adam W. M. (2019-01-15). Gray's Anatomy for Students E-Book: Gray's Anatomy for Students E-Book. Elsevier Health Sciences. ISBN 978-0-323-61105-3.
- ^ Lutsky KF, Giang EL, Matzon JL (January 2015). "Flexor tendon injury, repair and rehabilitation". Orthopedic Clinics of North America. 46 (1): 67–76. doi:10.1016/j.ocl.2014.09.004. PMID 25435036.
External links
- Illustration: upper-body/flexor-digitorum-superficialis from The Department of Radiology at the University of Washington
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Radius (bone)
Ulna
File:Gray — musculus flexor digitorum superficialis.png
Anatomical terms of muscle#Insertion and origin
Medial epicondyle of the humerus
Common flexor tendon
Radius (bone)
Ulna
Anatomical terms of muscle#Insertion and origin
Middle phalanges
Finger
Artery
Radial artery
Nerve
Median nerve
Anatomical terms of motion
Flexor
Proximal interphalangeal joints
Antagonist (muscle)
Extensor digitorum muscle
Latin
Terminologia Anatomica
Terminologia Anatomica
Foundational Model of Anatomy
Anatomical terms of muscle
Q847112
Muscle
Finger
Proximal interphalangeal joints
Anterior compartment of the forearm
Median nerve
Ulnar artery
Ulnar collateral ligament of elbow joint
Tendon
Carpal tunnel
Flexor retinaculum of the hand
Flexor digitorum profundus
Intermediate phalanges
Median nerve
Proximal interphalangeal joints
Metacarpophalangeal joints
Wrist joint
Proximal interphalangeal joint
File:Gray416.png
File:Gray417 color.PNG
File:Gray422.png
File:Gray423.png
File:Gray427.png
File:Gray527.png
File:Musculusflexordigitorumsuperficialis.png
File:Muscles of forearm.jpg
File:Slide9r.JPG
File:Slide5q.JPG
File:Slide3GGG.JPG
File:Slide7RRR.JPG
File:Muscles of upper limb.(cross section - human cadaver).jpg
Mnemonic
Doi (identifier)
PMID (identifier)
ISBN (identifier)
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Doi (identifier)
PMID (identifier)
Template:Muscles of the upper limb
Template talk:Muscles of the upper limb
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Muscle
Arm
Shoulder
Deltoid muscle
Rotator cuff
Supraspinatus muscle
Infraspinatus muscle
Teres minor muscle
Subscapularis muscle
Teres major muscle
Fascia
Deltoid fascia
Supraspinous fascia
Infraspinous fascia
Arm
Fascial compartments of arm
Anterior compartment of the arm
Coracobrachialis muscle
Biceps
Brachialis muscle
Posterior compartment of the arm
Triceps brachii muscle
Anconeus muscle
Articularis cubiti muscle
Fascia
Axillary sheath
Axillary fascia
Brachial fascia
Lateral intermuscular septum of arm
Medial intermuscular septum of arm
Quadrangular space
Triangular space
Triangular interval
Forearm
Fascial compartments of forearm
Anterior compartment of the forearm
Pronator teres muscle
Palmaris longus muscle
Flexor carpi radialis muscle
Flexor carpi ulnaris muscle
Pronator quadratus muscle
Flexor digitorum profundus muscle
Flexor pollicis longus muscle
Posterior compartment of the forearm
Mobile wad
Brachioradialis
Extensor carpi radialis longus muscle
Extensor carpi radialis brevis muscle
Extensor digitorum muscle
Extensor digiti minimi muscle
Extensor carpi ulnaris muscle
Supinator muscle
Anatomical snuffbox
Abductor pollicis longus muscle
Extensor pollicis brevis muscle
Extensor pollicis longus muscle
Extensor indicis muscle
Fascia
Bicipital aponeurosis
Common extensor tendon
Common flexor tendon
Antebrachial fascia
Cubital tunnel
Osborne's ligament
Hand
Thenar eminence
Opponens pollicis muscle
Flexor pollicis brevis muscle
Abductor pollicis brevis muscle
Adductor pollicis muscle
Hypothenar eminence
Opponens digiti minimi muscle
Flexor digiti minimi brevis muscle (hand)
Abductor digiti minimi muscle of hand
Palmaris brevis muscle
Lumbricals of the hand
Dorsal interossei of the hand
Palmar interossei muscles
Fascia
Extensor retinaculum of the hand
Extensor expansion
Flexor retinaculum of the hand
Palmar aponeurosis
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العضلة المثنية السطحية للأصابع
Múscul flexor comú superficial dels dits
Povrchový ohýbač prstů
Musculus flexor digitorum superficialis
Musculus flexor digitorum superficialis
Músculo flexor común superficial de los dedos de la mano
ماهیچه خمکننده سطحی انگشتان دست
Muscle fléchisseur superficiel des doigts de la main
Músculo flexor común superficial dos dedos da man
얕은손가락굽힘근
Površinski pregibač prstiju
Otot flexor digitorum superficialis
Muscolo flessore superficiale delle dita
השריר כופף האצבעות השטחי
Felületes ujjhajlító izom
Músclo flexor superficial de ls dedos
Musculus flexor digitorum superficialis
浅指屈筋
Mięsień zginacz powierzchowny palców
Músculo flexor superficial dos dedos
Mușchiul flexor superficial al degetelor
Поверхностный сгибатель пальцев
Povrhnja upogibalka prstov
Flexor digitorum superficialis
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العضلة المثنية السطحية للأصابع
Múscul flexor comú superficial dels dits
Povrchový ohýbač prstů
Musculus flexor digitorum superficialis
Musculus flexor digitorum superficialis
Músculo flexor común superficial de los dedos de la mano
ماهیچه خمکننده سطحی انگشتان دست
Muscle fléchisseur superficiel des doigts de la main
Músculo flexor común superficial dos dedos da man
얕은손가락굽힘근
Površinski pregibač prstiju
Otot flexor digitorum superficialis
Muscolo flessore superficiale delle dita
השריר כופף האצבעות השטחי
Felületes ujjhajlító izom
Músclo flexor superficial de ls dedos
Musculus flexor digitorum superficialis
浅指屈筋
Mięsień zginacz powierzchowny palców
Músculo flexor superficial dos dedos
Mușchiul flexor superficial al degetelor
Поверхностный сгибатель пальцев
Povrhnja upogibalka prstov
Flexor digitorum superficialis
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العضلة المثنية السطحية للأصابع
Múscul flexor comú superficial dels dits
Povrchový ohýbač prstů
Musculus flexor digitorum superficialis
Musculus flexor digitorum superficialis
Músculo flexor común superficial de los dedos de la mano
ماهیچه خمکننده سطحی انگشتان دست
Muscle fléchisseur superficiel des doigts de la main
Músculo flexor común superficial dos dedos da man
얕은손가락굽힘근
Površinski pregibač prstiju
Otot flexor digitorum superficialis
Muscolo flessore superficiale delle dita
השריר כופף האצבעות השטחי
Felületes ujjhajlító izom
Músclo flexor superficial de ls dedos
Musculus flexor digitorum superficialis
浅指屈筋
Mięsień zginacz powierzchowny palców
Músculo flexor superficial dos dedos
Mușchiul flexor superficial al degetelor
Поверхностный сгибатель пальцев
Povrhnja upogibalka prstov
Flexor digitorum superficialis
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