Muscle Identification

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Author:
Kgarcia.9116
ID:
302412
Filename:
Muscle Identification
Updated:
2015-05-09 12:46:32
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Muscles Mblex Massage
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Description:
Identifying muscles by name, origins, insertions, actions, Innervation nerve, and related synergist/antagonist muscles. Key: O=origins, I=insertions, A=actions, IN=innervation nerve, SM=synergist muscle(s), and AM=antagonist muscle(s)
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  1. Levator Scapulae:

    • O: Transverse Processes of C1-C4
    • I: Superior Angle of the Scapula
    • A: Elevation of the Scapula
    • IN: Cervical and Dorsal Scapular nerve
    • SM: Upper fibers of Trapezius
    • AM: Lower fibers of Trapezius
  2. Trapezius:

    • O: External occipital protuberance, Spinous processes of T1-T12
    • I: Clavicle, acromion process, spine of scapula
    • A: Elevation, retraction/adduction, and depression of scapula
    • IN: Accessory Nerve
    • SM: Levator Scapula, Rhomboids major and minor
    • AM: Serratus anterior, pectoralis minor
  3. Anterior, Middle, and Posterior Deltoid:

    • O: Lateral 1/3 of clavicle, acromion process, and spine of scapula
    • I: Detoid tuberosity
    • A: Flexion, abduction, and extension of shoulder
    • IN: Axillary Nerve
    • SM: (A)-Biceps brachii & pectoralis major, (M)-Suprasipnatus, (P)-Latissimus Dorsi
    • AM: (A)-Teres major, (M)-Latissimus dorsi, (P)-Coracobrachialis
  4. Rhomboids Major and Minor:

    • O: Spinous processes of C7-T5
    • I: Medial border of scapula
    • A: Retraction/adduction of scapula
    • IN: Dorsal Scapular
    • SM: Middle fibers of Trapezius
    • AM: Serratus anteroir, pectoralis minor
  5. Supraspinatus:

    • O: Supraspinous Fossa
    • I: Greater tubercle of humerus
    • A: Abduction of shoulder
    • IN: Suprascpular Nerve
    • SM: Deltoids
    • AM: Latissimus dorsi, Teres major
  6. Infraspinatus:

    • O: Infraspinous Fossa
    • I: Greater tubercle of Humerus
    • A: Lateral rotation and extension of shoulder
    • IN: Suprascapular Nerve
    • SM: Teres Minor
    • AM: Pectoralis major
    • Teres Minor:
    • O: Lateral border of scapula
    • I: Greater tubercle of humerus
    • A: Lateral rotation and extension of shoulder
    • IN: Axillary Nerve
    • SM: Infraspinatus
    • AM: Pectoralis major
  7. Subscapularis:

    • O: Subscapular Fossa
    • I: Lesser tubercle of humerus
    • A: Medial rotation and extension of shoulder
    • IN: Upper and Lower Subscapular nerve
    • SM: Latissimus dorsi and teres major
    • AM: Infraspinatus, Coracobrachialis
  8. Latissimus Dorsi:

    • O: Spinous processes of T7-L5, thoracolumbar aponeurosis, iliac crest
    • I: Medial lip of intertubercular (Bicipital Groove)
    • A: Adduction, extension, and medial rotation of shoulder
    • IN: Thoracodarsal nerve
    • SM: Teres major, Subscapularis
    • AM: Pectoralis major, deltiod
  9. Teres Major:

    • O: Inferior angle of scapula
    • I: Bicipital groove
    • A: Adduction, extension, and medial rotation of shoulder
    • IN: Lower scbscapular nerve
    • SM: Latissimus dorsi, subscapularis
    • AM: Pectoralis major, deltoid
  10. Pectoralis Major:

    • O: Ribs, sternum, and medial 2/3 of clavicle
    • I: Bicipital Groove
    • A: Flexion, horizontal adduction, medial rotation, and extension of shoulder
    • IN: Lateral and medial pectoral nerve
    • SM: Biceps brachii, coracobrachialis, anterior deltoid, and subscapularis
    • AM: Latissimus dorsi, infraspinatus, teres major and minor
  11. Pectoralis Minor:

    • O: Ribs 3-5
    • I: Coracoid process of scapula
    • A: Abduction/protraction of scapula
    • IN: Medial Pectoral nerve
    • SM: Serratus Anteroir
    • AM: Rhomboid major and minor
  12. Serratus Anterior:

    • O: Ribs 1-8 or 9
    • I: Medial border of scapula on anterior surface
    • A: Abduction/protraction of scapula
    • IN: Long thoracic nerve
    • SM: Pectoralis Minor
    • AM: Rhomboid major and minor
  13. Biceps Brachii:

    • O: long head: supraglenoid tubercle, short head: Coracoid process
    • I: Radial tuberosity
    • A: Flexion of shoulder and elbow, supination of forearm
    • IN: Musculocutaneous nerve
    • SM: Coracobrachialis, brachialis, supinator
    • AM: Infraspinatus, tricep brachii, pronator teres
  14. Coracobrachialis:

    • O: Coracoid Process
    • I: Proximal medial shaft of the humerus
    • A: Flexion and horizontal adduction of shoulder
    • IN: Musculocutaneous nerve
    • SM: Biceps brachii, pectoralis major
    • AM: Latissimus dorsi, infraspinatus
  15. Brachialis:

    • O: Anterior distal shaft of humerus
    • I: Coronoid proscess of the ulnar tuberosity
    • A: Flexioin of elbow
    • IN: Musculocutaneous nerve
    • SM: Biceps brachii
    • AN: Triceps brachii
    • Brachioradialis:
    • O: Lateral supracondylar ridge of humerus
    • I: Styloid process of radius
    • A: flexion of elbow w/ hand in neutral position
    • IN: Radial nerve
    • SM: Brachialis
    • AM: Triceps brachii
  16. Triceps Brachii:

    • O: Infraglenoid tubercle
    • I: Olecranon process of ulna
    • A: Extension of elbow and shoulder
    • IN: Radial Nerve
    • SM: Infraspinatus, Anconeus
    • AM: Biceps brachii, Brachialis
  17. Pronator Teres:

    • O: Medial epicondyle of humerus
    • I: Lateral surface of middle radius
    • A: Pronation of forearm & flexion of elbow
    • IN: Median nerve
    • SM: Brachialis
    • AM: Biceps brachii, Supinator
  18. Psoas Major:

    • O: Anterior surface of lumbar vertebra
    • I: lesser torchanther of femur
    • A: Flexion of hip and trunk
    • IN: Lumboscaral plexus
    • SM: Iliacus, rectus femoris
    • AM: Biceps femoris
  19. Iliacus:

    • O: Iliac fossa
    • I: Lesser torchanter of femur
    • A: flexion of hip
    • IN: Femoral nerve
    • SM: Psoas major, rectus femoris
    • AM: Semimembranosus
  20. Piriformis:

    • O: Anterior surface of sacrum
    • I: Greater torchanter of femur
    • A: Lateral rotation and extension of hip
    • IN: Nerve to the piriformis
    • SM: Gluteus Maximus
    • AM: Pectineus, Rectus femoris
    • Gluteus Maximus:
    • O: Gluteal surface of ilium, posterior sacrum
    • I: Gluteal tuberosity, iliotibial band
    • A: abduction, lateral rotation, and extension of hip
    • IN: Inferior gluteal nerve
    • SM: Piriformis, biceps femoris
    • AM: Rectus femoris, pectineus
  21. Rectus Femoris:

    • O: Anterior inferior iliac spine
    • I: Tibial toberosity
    • A: flexion of hip & extension of knee
    • IN: Femoral nerve
    • SM: Iliacus, vastus medialis
    • AM: Biceps femoris, semitendinosus
  22. Gracilis:

    • O: Inferior ramus of pubis
    • I: Pes anserinus
    • A: Flexion of hip and knee, adduction of hip
    • IN: Obturator nerve
    • SM: Adductor longus, gastrocnemius
    • AM: Gluteus Maximus, rectus femoris
    • Pectineus:
    • O: Superior ramus of pubis
    • I: Pectineal line of linea aspera
    • A: Flexion, medial, and adduction of hip
    • IN: Femoral nerve
    • SM: Rectus femoris, adductor magnus
    • AM: Piriformis
  23. Adductor Longus:

    • O: Body of pubus
    • I: Medial lip od linea aspera
    • A: flexion, adduction, and medial rotation of hip
    • IN: Obturator nerve
    • SM: Gracillis, adductor magnus
    • AM: Biceps femoris, gluteus maximus
    • Adductor magnus:
    • O: Inferior ramus of pubis, ischial tuberosity
    • I: Medial lip of linea aspera, adductor tubercle
    • A: Flexion, adduction, and extension of hip
    • IN: Obturator nerve, sciatic nerve
    • SM: Gracillis, biceps femoris, rectus femoris
    • AM: Gluteus Maximus, Semimembranosus, Piriformis
  24. Sartorius:

    • O: Anterior superior Iliac spine
    • I: Pes anserinus
    • A: Flexion, lateral rotation of hip & flexion of knee
    • IN: Femoral nerve
    • SM: Rectus femoris, gracillis
    • AM: Biceps femoris, pectineus
  25. Semimembranosus:

    • O: Ischial tuberosity
    • I: Posterior medial condyle of tibia
    • A: Extension of hip, flexion of knee
    • IN: Sciatic nerve
    • SM: Biceps femoris, gastrocnemius
    • AM: Rectus femoris
  26. Semitendinosus:

    • O: Ischial tuberosity
    • I: Pes anserinus
    • A: extension of hip and flexion of knee
    • IN: Sciatic nerve
    • SM: Semimembranosus, gastrocnemius
    • AM: Rectus femoris
  27. Biceps Femoris:

    • O: Ischial tuberosity
    • I: Head of fibula
    • A: Extension of hip & flexion of knee
    • IN: Sciatic nerve
    • SM: Semimembranosus, gastrocnemius
    • AM: Rectus Femoris
    • Gastrocnemius:
    • O: Posterior medial and lateral epicondyles of femur
    • I: Calcaneus via calcaneal tendon
    • A: flexion of knee and planterflextion of ankle
    • IN: Tibial nerve
    • SM: Tibial posterior, biceps femoris
    • AM: Tibialis anterior, rectus femoris
  28. Soleus:

    • O: Soleal line and head of fibula
    • I: Calcaneus via calcaneal tendon
    • A: Planterflexion of ankle
    • IN: Tibial nerve
    • SM: Tibialis posterior, biceps femoris
    • AM: Tibialis anterior, Rectus femoris
  29. Peroneus Longus:

    • O: Head and proximal shaft of fibula
    • I: Base of first metatarsal
    • A: planterflexion and eversion/pronation of ankle
    • IN: Superficial peroneal nerve
    • SM: Gastrocnemius, soleus
    • AM: Tibialis anterior
  30. Tibialis Anterior:

    • O: Lateral condyle, lateral shaft of tibia
    • I: Base of first metatarsal
    • A: dorsiflexion, inversion/supination of ankle
    • IN: Deep peroneal nerve
    • SM: Extensor digitorum Longus
    • AM: Gastrocnemius, Peroneus longus

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