Muscles - Origins, Insertions & Actions [COMPLETE] Flashcards
Muscles that opens the angle of a joint.
Extensor
Muscles that closes the angle of a joint.
Flexor
M. Deltoideus Pars Scapularis
O: Caudal Spina Scapulae
I: Tuberositas Deltoidea of Humerus
A: Flex Shoulder
M. Deltoideus Pars Acromialis
O: Acromion
I: Tuberositas Deltoidea of Humerus
A: Flex Shoulder
M. Infraspinatus
O: Fossa Infraspinata, Spina Scapulae, Margo Caudalis Scapulae
I: Facies m. Infraspinati of Humerus
A: Flex Shoulder Joint, Acts as a collateral ligament
M. Teres Major
O: Margo Caudalis and Angulus Caudalis on Scapula
I: Teres Major Tuberosity on Humerus
A: Flex Shoulder
M. Triceps Brachii Caput Laterale
O: Linea m. Tricipitis
I: Tuber Olecrani
A: Extend Elbow Joint
M. Triceps Brachii Caput Longum
O: Distal margo caudalis of Scapula
I: Tuber Olecrani
A: Flex Shoulder, Extend Elbow
M. Supraspinatus
O: Fossa Supraspinata, Spine, Cran. Border of Scapula
I: Tuberculum Majus on Humerus
A: Extend Shoulder, Stabilises Shoulder
M. Extensor Digitorum Lateralis
O: Lateral Humeral Epicondyle, Lig. Collaterale Laterale
I: Digits III-V
A: Extend Carpus, Extend digits III-V
M. Extensor Digitorium Communis
O: Lateral Epicondyle of Humerus
I: Digit II-V Distal Phalanx
A: Extend Carpus and Joints of digits II-V
M. Extensor Carpi Radialis
O: Lateral Epicondyle Crest
I: MC II-III
A: Extend Carpus
M. Brachioradialis
O: Lateral Epicondyle Crest
I: Distally and Medially on radius
A: Supinates (rotates) forearm
M. Abductor Digiti I Longus
O: Lateral surface of radius and ulna, Interosseous membrane
I: Mc I
A: Extend and Abduct (Move away from body) Digit I
M. Extensor Carpi Ulnaris
O: Lateral Epicondyle on Humerus, behind collateral ligament
I: Lateral MC V Base and Accessory Carpal bone
A: Support, flexion, abduction and rotation of carpus
M. Extensor Digitorium Communis
O: Lateral Epicondyle of Humerus
I: Digit II-V Distal Phalanx
A: Extend Carpus and Joints of digits II-V
M. Extensor Digitorum lateralis
O: Lateral Epicondyle on Humerus, Lig Collaterale Laterale
I: Digits III-V Distal Phalanx
A: Extend Carpus and Joints of Digits III-V
M. Extensor Carpi Ulnaris
O: Lateral Epicondyle on Humerus, Behind collateral ligament
I: MC V Base, Accessory Carpal Bone
A: Support Carpus, Flexion, abduction and rotation of carpal joint
M. Extensor Carpi Radialis
O: Lateral Epicondyl on Humerus
I: Mc: II-III
A: Extend Carpal Joint
M. Extensor Digiti I et II
O: Lateral Middle Third of Ulna
I: Head of Mc. I/ Distal Phalanx of Digit II
A: Extend Digit I-II, Adduct Dew Claw
M. Abuductor Digiti I Longus
O: Lateral Surface of Rad and Uln
I: Mc. I
A: Extend and Abduct Digit I
M. Pronator Teres
O: Medial Epicondyle on Humerus
I: Upper Part of Radius
A: Pronate Forearm Medially
M. Pronator Quadratus
O/I: Connects Radius and Ulna
A: Pronate Forearm Medially
M. Supinator
O: Lateral Epicondyle on Humerus
I: Proximal Radius
A: Supinates Forearm Laterally
M. Subscapularis
O: Fossa Subscapularis
I: Tuberculum minus on Humerus
A: Extend Shoulder, Acts as Collateral ligament for Shoudler
M. Biceps Brachii
O: Tuberculum Supraglenoidale
I: Tuberositas Radii and Tuberositas Ulnae
A: Extend Shoulder Joint, Flex Elbow Joint
M. Triceps Brachii, Caput Mediale
O: Adjacent to Teres Major on Humerus
I: Tuber Olecrani
A: Extend Elbow
M. Triceps Brachii, Caput Longum
O: Distal Margo Caudalis on Scapula
I: Tuber Olecrani
A: Flex Shoulder, Extend Elbow
M. Tensor Fasciae Antebrachii
O: M. Latissimus Dorsi
I: Tuber Olecrani, Antebrachial Fascia
A: Tenses Fasciea, Extend Elbow Joint
M. Latissimus Dorsi
O: Thoracolumbar Fascia on Spinous Process
I: Teres Major Tuberosity
A: Draws Forelimb Caudally, Flex Shoulder
M. Teres Major
O: Proximal Margo Caudalis Scapulae
I: Teres Major Tuberosity on Humerus
A: Flex Shoudler Joint
M. Supraspinatus
O: Fossa Supraspinata, Spine, Cranial border of Scapula
I: Tuberculum Majus on Humerus
A: Extends shoulder, Stabilisation
M. Coracobrachialis
O: Coracoid Process
I: Crest of Tuberculum Minor on Humerus
A: Extend Shoulder Joint
M. Flexor Carpi Radialis
O: Medial Epicondyle on Humerus, behind Collateral Ligament
I: Mc. II-III
A: Flex Carpus
M. Flexor Digitorum Superficialis
O: Medial Epicondyle on Humerus
I: Middle Phalanx of Digits II-V
A: Flex Carpus and joints of digits II-V
M. Flexor Carpi Ulnaris, Caput Ulnare
O: Proximal Ulna
I: Accessory Carpal Bone
A: Flex Carpus
M. Flexor Carpi Ulnaris, Caput Humerale
O: Medial Epicondyle on Humerus
I: Accessory Carpal Bone
A: Flex Carpus
M. Extensor Carpi Ulnaris
O: Lateral epicondyle on Humerus
I: Mc. V, Accessory Carpal Bone
A: Support, Flex and abduct carpal joint
M. Triceps Brachii, Caput Longum
O: Distal margo caudalis scapulae
I: Tuber Olecrani
A: Flex Shoulder, Extend Elbow
M. Triceps Brachii, Caput Acessorium (ØEq)
O: Caput Humerii
I: Tuber olecrani
A: Extend Elbow
M. Anconeus
O: Lateral Epicondyle and Fossa Olecrani
I: Tuber Olecrani, Processus Anconeus
A: Extend Elbow
M. Teres Minor
O: Distal Margo Caudalis Scapulae, Tub. Infraglenoidale
I: Tuberositas Teres Minor on Humerus
A: Flex Shoulder
M. Brachialis
O: Caudal Collum Humerii
I: Tuberositas Radii, Tuberositas Ulnae
A: Flex Elbow
M. Infraspinatus
O: Fossa Infraspinata, Spina Scapulae, Margo Caudalis Scapulae
I: Facies M. Infraspinati on Humerus
A: Acts as Collateral ligament of shoulder, flex shoulder
M. Flexor Carpi Radialis
O: Medial Epicondyle on Humerus, Behind Collateral Ligament
I: Mc. II-III
A: Flex Carpus
M. Pronator Quadratus
O/I: Connects Radius and Ulna
A: Pronates Forearm Medially
M. Extensor Carpi Ulnaris
O: Lateral Epicondyle of Humerus, Behind Colateral Ligament
I: Mc. V, Accessory Carpal Bone
A: Support, Flex, abudct and supinate carpal joint
M. Flexor Carpi Ulnaris, Caput Humerale
O: Medial Epicondyle of Humerus
I: Accessory Carpal Bone
A: Flex Carpus
M. Flexor Carpi Ulnaris, Caput Ulnare
O: Proximal Ulna
I: Accessory Carpal Bone
A: Flex Carpus
M. Flexor Digitorum Superficialis
O: Medial Epicondyle of Humerus
I: Middle Phalanx of Digits II-V
A: Flex carpus and digits II-V
M. Pronator Teres
O: Medial Epicondyle of Humerus
I: Proximal Radius
A: Pronates Forearm Medially
M. Flexor Digitorum Profundus, Caput Humerale
O: Medial Epicondyle on Humerus
I: Distal phalanx on digits I-V
A: Flex carpus and joints of digits I-V
M. Flexor Digitorum Profundus, Caput Ulnare
O: Ulna
I: Distal Phalanx of Digits I-V
A: Flex Carpus and Joints of Digits I-V
M. Flexor Digitorum Profundus, Caput Radiale
O: Radius
I: Distal Phalanx of Digits I-V
A: Flex Carpus and Joints of Digits I-V
M. Cleidobrachialis
O: Distal Humerus, Crista Humerii
I: Clavicular Intersection
A: Lateral and downward movement of head, move limb cranially
M. Cleidocephalicus
O: Clavicular Intersection
I: See M. Cleidomastoideus and M. Cleidocervicalis
A: Lateral and downward movement of head, move limb cranially
M. Omotransversarius
O: Distal Spina Scapulae, travels under sternocleidomastoideus
I: Ala Atlantis
A: Draws Shoulder Cranially, Flex neck laterally
Intersectio Clavicularis
M. Cleidocervicalis
O: Clavicular Intersection
I: Dorsal Midline
A: Lateral and downwards head movement, move forelimb cranially
M. Sternooccipitalis
O: Manubrium Sterni
I: Nuchal crest
A: Move neck Up, Down, Left, Right
M. CleidoMastoideus
O: Clavicular Intersection
I: Mastoid part of temporal bone
A: Lateral and downward head movement, move forelimb cranially
M. Sternomastoideus
O: Manubrium Sterni
I: Mastoid part of temporal bone
A: Move head Left, Right, Down
M. Sternocephalicus
O: Manubrium Sterni
I: See Other
A: Move head Left, Right, Down.
M. Tensor Fasciae Latae
O: Tuber Coxae
I: Fascia Lata, Fascia Cruris, Femur
A: Tense Fascia Lata, Flex hip, Extend Stifle
M. Gluteus Medius
O: Crista Iliaca, Facies Glutea On Illium
I: Greater Trochanter
A: Extend Hip
M. Gluteus Superficialis
O: Sacrum, First Caudal Ligament
I: Tuberostitas Glutea
A: Extend Hip
M. Semitendinosus
O: Tuber Ischiadicum
I: Crista Tibiae, Tuber Calcanei
A: Extend Hip, Flex Stifle, Extend Hock
M. Abductor Cruris Caudalis
O: Sacrotuberous Ligament Pars Distalis
I: Crural fascia
A: Abduct Hindlimb, Flex Stifle
M. Biceps Femoris
O: Sacrotuberous Ligament Pars Cranialis, Tuber Ischii Pars Caudalis
I: Patella, Patellar Ligament, Tibial Tuberosity, Tibial Crest, Tuber Calcanei
A: Tense Fascia Lata, Flex hip, Extend Stifle
M. Sartorius Pars Cranialis
O: Iliac Crest, Spina Iliaca, Thoracolumbar Fascia
I: Fascia Lata, Crural Fascia, Above stifle joint
A: Flex Hip, Extend and Flex Stifle
Retinaculum Patellae
M. Adductor
O: - Ramus Cranialis Ossis Pubis ( Pars Longus),
- Symphysis Pelvis (Pars Magnus et Brevis)
I: Facies Aspera, Labium Laterale on Femur
M. Semimembranosus
O: Tuber Ischii
I: Medial Condyle on Femur, Mediale Condyle of Tibia
A: Extend Hip, Flex Stifle
M. Rectus Femoris
O: Ilium
I: Patella, Patellar ligament
A: Extend Stifle, Flex Hip
M. Quadriceps Femoris Vastus Lateralis
O: Illium
I: Patella, Patellar Ligament
A: Extend Stifle
M. Gluteus Profundus
O: Facies Glutea
I: Greater Trochanter
A: Extend Hip
M. Gemelli
O: Ossis Ichii
I: Fossa Trochanterica
A: Supinates Hindlimb Laterally
M. Obturatus Internus
O: Around Foramen Obturatum
I: Fossa Trochanterica
A: Supinates Hindlimb Laterally
M. Gluteus Medius
O: Crista Iliaca, Facies Glutea
I: Trochanter Major
A: Extend Hip
M. Piriformis
O: Last Sacral and first caudal vertebrae
I: Greater Trochanter
A: Extend Hip
Lig. Sacrotuberale
M. Quadratus Femoris
O: Tabula Ossis Ischii
I: Fossa Trochanterica
A: Extend Hip, Supinate Hindlimb Laterally