MOD.txt

Pectoralis Major 414

Origin: medial clavical, sternum, ribs 1-7 Insertion: bicipital groove of the humerus Action: flexion, medial rotation & adduction of the humerus

Pectoralis Minor 407

Origin: ribs 3-5 Insertion: coracoid process of the scapula Action: depress, protracts, downward rotates the scapula & elevates ribs

Anterior Deltoid 414

Origin: lateral third of the clavicleInsertion: deltoid tuberosity Action: flexion & medial rotation of the shoulder

Middle Deltoid 414

Origin: acromion process on the scapulaInsertion: deltoid tuberosityAction: abduction of the shoulder

Posterior Deltoid 414

Origin: scapular spineInsertion: deltoid tuberosityAction: extension & lateral rotation of the shoulder

Trapezius 404

Origin: external occipital protuberance (EOP) down to T-12 vertebraInsertion: lateral third of clavicle, acromion process, scapular spineAction: extension of head & neck & elevates scapula

Latissimus Dorsi 410

Origin: spinous processes of T7 to L5 vertebraInsertion: bicipital groove of the humerusAction: extension, medial rotation & adduction of the shoulder

Sternocleidomastoid 471(bilateral)

Origin: top of sternum, medial third of clavicleInsertion: mastoid process of temporal boneAction: flextion of neck

Longissimus 492(bilateral)

Origin: posterior sacrumInsertion: mastoid processActions: extends the vertebral column

Illiocostalis 493(bilateral)

Origin: posterior iliac crestInsertion: ribs 1 - 12 (posterior)Action: extension of vertebral column

Gluteus Maximus 438

Origin: posterior sacrum, posterior iliac crestInsertion: iliotibial bandAction: extension & lateral rotation of hip

Gluteus Medius 438

Origin: external iliumInsertion: greater trochanter of femurAction: medially rotation & abduction of hip

Gluteus Minimus 438

Origin: external iliumInsertion: greater trochanter of femurAction: medially rotation & abduction of hip

Rectus Femoris 440

Origin: anterior inferior iliac spineInsertion: tibial tuberosityAction: flextion of hip, extension of knee

Vastus Medialis 441

Origin: linea aspera (medial lip)Insertion: tibial tuberosityAction: extension of knee

Vastus Lateralis 442

Origin: linea aspera (lateral lip)Insertion: tibial tuberosityAction: extension of knee

Vastus Intermedius 441

Origin: anterior lateral femoral shaftInsertion: tibial tuberosityAction: extension of knee

Sartorius 442

Origin: anterior superior iliac spineInsertion: proximal anteriomedial tibial shaftAction: flextion of hip & knee

Gracilis 446

Origin: inferior pubic ramusInsertion: proximal anteromedial tibial shaft (@ pesanserinus)Action: flextion of knee, adduction of hip

Semitendinosus 444

Origin: ischial tuberosityInsertion: proximal posteriomedial tibial shaft @ pes anserinusAction: flexion of knee, extension & medial rotation of hip

Semimembranosus 444

Origin: ischial tuberosityInsertion: posteriomedial condyle of the tibiaAction: flexion of knee, extension & medial rotation of hip

Biceps Femoris Long Head 445

Origin: ischial tuberosityInsertion: fibular headAction: flexion of knee, extension of hip

Biceps Femoris Short Head 445

Origin: linea aspera (lower lateral lip)Insertion: fibular headAction: flexion of knee

Piriformis 434

Origin: anterior sacrumInsertion: greater trochanterAction: lateral rotation of hip

Psoas Major 432

Origin: anterior lateral lumbar vertebraeInsertion: lesser trochanterAction: flexion & lateral rotation of hip

Iliacus 433

Origin: iliac fossaInsertion: lesser trochanterAction: flexion of hip

Adductor Magnus 446

Origin: ischial tuberosity & ramus, inferior pubic ramusInsertion: linea asperaAction: flexion, extension & adduction of hip

Adductor Longus 447

Origin: anterior pubic bodyInsertion: middle third of linea aspera (medial lip)Action: adduction of hip

Adductor Brevis 447

O: inferior pubic ramusI: proximal third of linea aspera (medial lip)A: Adduction of hip

Pectineus 448

O: superior pubic ramusI: linea aspera (medial lip)A: flexion & adduction of hip

Popliteus 449

O: lateral condyle of femurI: posterior proximal tibial shaftA: flexion of knee, medial rotation of leg

Gastrocnemius 456

O: medial & lateral epicondyle of femurI: calcaneusA: plantar flex ankle, flex knee

Soleus 457

O: superior posterior third of fibular shaftI: calcaneusA: plantar flex ankle

Quadratus Lumborum 488

O: posterior iliac crestI: inferior rib T-12, transverse process L1-L4A: lateral flexion of vertebral column, elevates hip, extension of lumbar spine

Rectus Adominis 486

O: superior pubic symphysis, superior tubercleI: costal cartilage ribs T5-T7, xiiphoid processA: flexion & lareral flexion of vertebral column, compresses abdominal contents

External Obliques 486

O: anterior lateral ribs T5 - T12I: linea albaA: compress abdominal contents

Internal Obliques 487

O: anterior iliac crest, inguinal ligamentI: linea albaA: compresses abdominal contents

Transverse Abdominis 487

O: inner surface costal cartilage ribs T7-T12, inguinal ligamentI: linea albaA: compresses abdominal contents

Rotatores Brevis 490

O: tranverse process of one vertebral segmentI: spinous process of the vertebra one level higher than the originA: unilateral rotation of vertebral column, bilateral extension of vertebral column

Multifidus 481

O: transverse process of one vertebral segmentI: spinous process of 2nd, 3rd & 4th vertebral segment aboveA: unilateral rotation, lateral flexion & bilateral extension of vert column

Splenius Capitis 474

O: inferior nuchal ligament, spinous process C-7 to T-4I: mastoid process, superior nuchal lineA: unilateral rotation of head, unilateral lateral flexion of neck, bilateral extension of head

Anterior Scalene 473

O: transverse process C3-C6I: superior surface rib1A: unilateral lateral flexion of neck, unilateral rotation of head, bilateral elevation of 1st rib during inspiration

Levator Scapula 405

O: transverse process C1 - C4I: medial border of scapula (superior root of spine)A: elevation & downward rotation of scapula

Middle Scalene 473

O: transverse process C2-C7I: superior surface rib 1A: unilateral lateral flexion of neck, unilateral rotation of head, bilateral elevation of 1st rib during inspiration

Digastric (Clay 88)

O: inferiorly, both bellies on hyoid boneI: superiorly, posterior belly on mastoid process & scm. Anterior belly on mandible. A: lowers & retracts mandible, raises hyoid, participates in swallowing & coughing (steadies hyoid)

Splenius Cervicis 475

O: spinous process T3-T6I: transverse process C1-C3A: rotation, extension & lateral flexion of neck

Sternohyoid (Musc 3, 416)

O: posterior surface of sternum, medial clavicleI: inferior surface of hyoidA: depresses hyoid bone, flexion of head & neck

Omohyoid (Musc 3 422)

O: inferior belly superior border of scapula, superior belly central tendo of clavicle I: inferior belly central tendon of clavicle, superior belly to inferior surface of hyoid A: depresses hyoid, flexion of neck & head

Posterior Scalene 474

O: transverse process C5-C7 I: superior lateral surface rib 2 A: unilateral lateral flexion of neck, bilateral elevation rib 2 during inspiration

Mylohyoid

O: mandileI: hyoidA: depresses mandible, elevates hyoid

Sternocleidomastoid

O: top of sternum, medial third of clavicleI: mastoid process of temporal boneA: flexion of neck

Supraspinatus

O: supraspinous fossa of scapulaI: greater tubercle of humerusA: initiates abduction of humerus

Infraspinatus

O: infraspinous fossa of scapulaI: greater tubercle of humerusA: lateral rotation of shoulder

Subscapularis

O: subscapular fossa of scapulaI: lesser tubercle of humerusA: medial rotation of shoulder

Rhomboids Major

O: spinous process T2-T5I: medial border of scapula to inferior angleA: retracts & downward rotation of scapula

Rhomboids Minor

O: spinous process C7-T1I: medial border of scapula from root of scapular spineA: retracts & downward rotation of scapula

Biceps Brachii

O: supraglenoid tubercle of scapula (long hd), coracoid process of scapula (short hd) I: radial tuberosity, bicipital aponeurosis A: flexion of elbow & shoulder, supinates forearm