anatomy muscles
TRANSCRIPT
AnatomyAnatomy
MusclesMuscles
http://www.ishapeup.com/musclecharts.html
Muscles of the HipMuscles of the Hip
1. Iliacus1. Iliacus 2. Psoas Major2. Psoas Major 7. Gluteus minimus7. Gluteus minimus 8. Gluteus medius8. Gluteus medius 10. Gluteus maximus10. Gluteus maximus
1. Iliacus1. Iliacus
OriginOrigin – Iliac – Iliac
InsertionInsertion – tendon of – tendon of PsoasPsoas
Action – Hip flexion, Action – Hip flexion, (with Psoas major)(with Psoas major)
2. Psoas Major2. Psoas Major
OriginOrigin – T12 and – T12 and Lumbar vertebraeLumbar vertebrae
InsertionInsertion – lesser – lesser trochanter, femurtrochanter, femur
Action - hip flexionAction - hip flexion
7. Gluteus 7. Gluteus MinimusMinimus8. Gluteus Medius8. Gluteus Medius
OriginOrigin – Iliac, – Iliac, lateral surface lateral surface
InsertionInsertion – greater – greater trochanter trochanter
Action - abductionAction - abduction
10. Gluteus 10. Gluteus MaximusMaximus
OriginOrigin – iliac, sacrum, – iliac, sacrum, coccyxcoccyx
InsertionInsertion – gluteal – gluteal tuberosity, IT bandtuberosity, IT band
Action – extension of Action – extension of thighthigh
Anterior Muscles of the ThighAnterior Muscles of the Thigh
11. Vastus lateralis11. Vastus lateralis 12. Vastus medialis12. Vastus medialis 13. Vastus intermedius13. Vastus intermedius 14. Rectus Femoris14. Rectus Femoris 15. Sartorius15. Sartorius
Muscles of the ThighMuscles of the ThighQuadricepsQuadriceps
11.Vastus Lateralis11.Vastus Lateralis 13.Vastus Intermidius13.Vastus Intermidius 12.Vastus Medilais12.Vastus Medilais
OriginOrigin – Greater – Greater TrochanterTrochanter
InsertionInsertion – tibia via – tibia via patellapatella
Action – leg extensionAction – leg extension
14. Rectus 14. Rectus FemorisFemoris
OriginOrigin – Ilium, acetabulum – Ilium, acetabulum
InsertionInsertion – tibia via patella – tibia via patella
Action – leg extensionAction – leg extension
PLUS some hip flexionPLUS some hip flexion
15. Sartorius15. Sartorius
OriginOrigin – iliac spine – iliac spine
InsertionInsertion – tibia, – tibia, medial shaftmedial shaft
Action – lateral Action – lateral rotation of thighrotation of thigh
Posterior Muscles of the ThighPosterior Muscles of the Thigh
16. Semimembranosus16. Semimembranosus 17. Semitendinosus17. Semitendinosus 18. Biceps femoris18. Biceps femoris
16.Semimembranosus16.Semimembranosus17.Semitendinosus17.SemitendinosusOriginOrigin – ischial tuberosity – ischial tuberosity
InsertionInsertion – tibia medial condyle – tibia medial condyle
Action – leg flexionAction – leg flexion
18. Biceps Femoris18. Biceps Femoris
OriginOrigin – ischial tuberosity (long) – ischial tuberosity (long)
linea aspera of femurlinea aspera of femur
(short)(short)
InsertionInsertion – head of fibula – head of fibula
Action – leg flexionAction – leg flexion
Adductor Muscles of the ThighAdductor Muscles of the Thigh
19. Adductor magnus19. Adductor magnus 20. Adductor brevis20. Adductor brevis 21. Adductor longus21. Adductor longus
Adductor Brevis
19. Adductor magnus19. Adductor magnus20. Adductor brevis20. Adductor brevis21. Adductor longus21. Adductor longusOriginOrigin – Pubis – Pubis
InsertionInsertion - Femur - Femur
Action – adductionAction – adduction
Muscles of the LegMuscles of the Leg
The tendon splits at theThe tendon splits at the
Ankle into 5 branchesAnkle into 5 branches
4 to the lesser toes4 to the lesser toes
1 to the lateral foot1 to the lateral foot
24.Extensor digitorum longus24.Extensor digitorum longus
Hallux means big toeHallux means big toe
25.Extensor hallucis longus25.Extensor hallucis longus
26. Tibialis Anterior26. Tibialis Anterior
OriginOrigin – Tibia, lateral – Tibia, lateral
InsertionInsertion – medial tarsal – medial tarsal
Action – dorsi flexionAction – dorsi flexion
28. Flexor Hallucus longus28. Flexor Hallucus longus
30. Flexor digitorum longus30. Flexor digitorum longusAntagonists to the extensors!
31. Gastrocnemius31. Gastrocnemius
OriginOrigin – Femur – Femur
lateral condyleslateral condyles
InsertionInsertion - - TendocalcaneusTendocalcaneus
Action – Plantar flexionAction – Plantar flexion
31a. Soleus31a. Soleus
Muscles of the TrunkMuscles of the Trunk
Pectoralis MinorPectoralis Minor
OriginOrigin Ribs Ribs
InsertionInsertion – Coracoid – Coracoid
Action – brings Action – brings extended arm down extended arm down + adduction+ adduction
Pectoralis MajorPectoralis Major
OriginOrigin Sternum Sternum
InsertionInsertion – Humerus – Humerus
Action – brings Action – brings extended arm down extended arm down + adduction+ adduction
Rectus and Transverse AbdominusRectus and Transverse Abdominus
Internal and ExternalInternal and ExternalObliquesObliques
Muscles of the BackMuscles of the Back
20. 20. Latissumus Latissumus
DorsiDorsiOriginOrigin – T7-T12, – T7-T12,
all lumbar and all lumbar and sacral, iliac sacral, iliac crestcrest
InsertionInsertion – – humerus, humerus, bicipital bicipital groovegroove
Action – brings Action – brings extended arm extended arm down + down + adductionadduction
21.21.TrapeziusTrapezius
OriginOrigin – – Occipital, C7 Occipital, C7 and Thoracicand Thoracic
InsertionInsertion – spine – spine of scapulaof scapula
Action on Action on ScapulaScapula
Cervical - upCervical - up
Middle - midlineMiddle - midline
Lower - downLower - down
16. Rhomboids16. Rhomboids
Action – bring Action – bring Scapula towards Scapula towards each othereach other
Muscles of the ShoulderMuscles of the Shoulder
Rotator Cuff Rotator Cuff AnteriorAnterior
5. Subscapularis5. Subscapularis
OriginOrigin – Under – Under ScapulaScapula
InsertionInsertion – humerus – humerus
Action – lateral Action – lateral rotationrotation
Rotator Cuff Rotator Cuff PosteriorPosterior
OriginOrigin – – 1.Supraspinatus, 1.Supraspinatus, above spineabove spine
2.Infraspinatus, below 2.Infraspinatus, below
3.Teres minor, belower3.Teres minor, belower
InsertionInsertion – Humerus – Humerus
Action – Outward Action – Outward RotationRotation
6. Deltoid6. Deltoid
OriginOrigin – lateral 1/3 – lateral 1/3 of clavicle, of clavicle, acromion, acromion, scapulascapula
InsertionInsertion – – humerus, deltoid humerus, deltoid tuberositytuberosity
Action – raise the Action – raise the armarm
DeltoidDeltoid
Detailed look at the Detailed look at the originorigin
Muscles of the ArmMuscles of the Arm
8.Brachialis8.Brachialis
OriginOrigin – humerus, – humerus, below deltoid below deltoid insertioninsertion
InsertionInsertion – ulna – ulna
Action – Arm Action – Arm FlexionFlexion
9.Biceps Brachii9.Biceps Brachii
OriginOrigin – LH, Scapula – LH, Scapula above GH above GH articulation SH, articulation SH, corocoid processcorocoid process
InsertionInsertion – Radial – Radial tuberositytuberosity
Action – Arm FlexionAction – Arm Flexion
10.Triceps 10.Triceps BrachiiBrachii
O – Long, posteriorO – Long, posterior
Lateral, lateralLateral, lateral
Medial, lowerMedial, lower I – Ulna, OlecranonI – Ulna, Olecranon
F – Extension, elbowF – Extension, elbow
FlexorsFlexors
OriginOrigin – –
InsertionInsertion – –
Action – Action –
OriginOrigin – –
InsertionInsertion – –
Action – Action –
8.Sternocleidomastoid8.Sternocleidomastoid
OriginOrigin – manubrium, – manubrium, sternal head of sternal head of clavicleclavicle
InsertionInsertion – mastoid – mastoid processprocess
Action – turns the Action – turns the head, flexes the head head, flexes the head if both are contractedif both are contracted
15. Masseter15. Masseter
3. Orbicularis 3. Orbicularis OculiOculi
Encircles the eyeEncircles the eye
6. Orbicularis 6. Orbicularis OrisOris
Encircles the mouthEncircles the mouth