26 key Muscles for NMT

  1. BICEPS BRACHII: origin & insertion
    • ORIGIN: Short head ? a flat tendon shared with the coracobrachialis from the apex of the coracoid process.
    • Long head ? The supraglenoid tubercle of the scapula and the adjacent glenoid labrum of the glenohumeral joint.
    • INSERTION: Posterior part of the tuberosity of the radius and the aponeurosis of the biceps brachii.
  2. BICEPS BRACHII: action
    ACTION: Elbow flexion, Glenohumeral Joint flexion
  3. BICEPS BRACHII: antagonist
    ANTAGONIST: Triceps Brachii
  4. STERNOCLEIDOMASTOID: origin & insertion
    • ORIGIN: Manubrium of the sternum and medial clavicle.
    • INSERTION: Mastoid Process of the temporal bone.
  5. STERNOCLEIDOMASTOID: action
    ACTION: Rotates to the side opposite that contracting and laterally flexes to the contracted side. Bilaterally flexes the cervical spine.
  6. STERNOCLEIDOMASTOID: antagonist
    ANTAGONIST: Itself.
  7. PECTORALIS MINOR: origin & insertion
    • ORIGIN: Third, fourth and fifth ribs.
    • INSERTION: Medial and upper surface of the coracoid process of the scapula.
  8. PECTORALIS MINOR: action
    • ACTION: Elevates the ribs, protracts scapula along with serratus anterior and supports abduction and flexion of the
    • shoulder joint.
  9. PECTORALIS MINOR: antagonist
    ANTAGONIST: Rotator Cuff and Lower Trapezius.
  10. PECTORALIS MAJOR: origin & insertion
    • ORIGIN: Medial half of the anterior surface of the clavicle, the manubrium and sternum, and the cartilage of ribs 1 to 6.
    • INSERTION: Lateral crest of the inter tubercular groove of the humerus.
  11. PECTORALIS MAJOR: action
    ACTION: Adduct and medially rotate the humerus. Can assist in breathing and shoulder stabilisation.
  12. PECTORALIS MAJOR: antagonist
    ANTAGONIST: Latissimus Dorsi, Supraspinatus, Infraspinatus and Teres Major.
  13. PSOAS MAJOR: origin & insertion
    • ORIGIN: Transverse processes of L2 to L5, bodies of T12 to L5 and the intervertebral discs below bodies of T12 to L1.
    • INSERTION: Middle surface of lesser trochanter of femur.
  14. PSOAS MAJOR: action
    ACTION: Flexes and laterally rotates the hip.
  15. PSOAS MAJOR: antagonist
    ANTAGONIST: Gluteus Maximus.
  16. PSOAS MINOR: origin & insertion
    • ORIGIN: Bodies of T12 and L1 and intervening vertebral discs.
    • INSERTION: Fascia over Psoas major and iliacus.
  17. PSOAS MINOR: action
    • ACTION: Weak flexor of trunk.
    • ANTAGONIST: Lumbar Erectors
  18. PSOAS MINOR: antagonist
    ANTAGONIST: Lumbar Erectors
  19. ADDUCTOR LONGUS: origin & insertion
    • ORIGIN: Anterior of pubis in angle between the crest and symphysis.
    • INSERTION: Middle third of the medial lip of the linea aspera.
  20. ADDUCTOR LONGUS: action
    ACTION: Leg Adduction.
  21. ADDUCTOR LONGUS: antagonist
    ANTAGONIST: Abductors.
  22. ADDUCTOR BREVIS: origin & insertion
    • ORIGIN: Outer surface of inferior ramus of pubis.
    • INSERTION: On a line extending from lesser trochanter to upper part of linea aspera.
  23. ADDUCTOR BREVIS: action
    ACTION: Leg Adduction.
  24. ADDUCTOR BREVIS: antagonist
    ANTAGONIST: Abductors.
  25. GRACILIS: origin & insertion
    • ORIGIN: Anterior lower half of symphysis pubis and medial margin of inferior ramus of pubis.
    • INSERTION: Front and medial surface of the shaft of the tibia just below the condyle.
  26. GRACILIS: action
    ACTION: Leg Adduction.
  27. GRACILIS: antagonist
    ANTAGONIST: Abductors.
  28. QUADRICEPS - RECTUS FEMORIS: origin & insertion
    • ORIGIN: AIIS (Anterior Inferior Iliac Spine and acetabulum)
    • INSERTION: All of the quadriceps wrap up the patella (sesamoid bone) with each having a specific and unique line of pull on the patella. They share a common tendon called the patellar tendon/ligament, attaches onto the tibial tuberosity.
  29. QUADRICEPS - RECTUS FEMORIS: action
    ACTION: Extends the knee joint, flexes the hip.
  30. QUADRICEPS - RECTUS FEMORIS: antagonist
    ANTAGONIST: Hamstrings.
  31. QUADRICEPS - VASTUS LATERALIS: origin & insertion
    • ORIGIN: Intertrochanteric line, greater trochanter, gluteal tuberosity and lateral lip of the linea aspera.
    • INSERTION: All of the quadriceps wrap up the patella (sesamoid bone) with each having a specific and unique line of pull on the patella. They share a common tendon called the patellar tendon/ligament, attaches onto the tibial tuberosity.
  32. QUADRICEPS - VASTUS LATERALIS: action
    ACTION: Extends the knee joint.
  33. QUADRICEPS - VASTUS LATERALIS: antagonist
    ANTAGONIST: Hamstring
  34. QUADRICEPS - VASTUS MEDIALIS: origin & insertion
    • ORIGIN: Anterior intertrochanteric line, medial lip of linea aspera and medial supracondylar line.
    • INSERTION: All of the quadriceps wrap up the patella (sesamoid bone) with each having a specific and unique line of pull on the patella. They share a common tendon called the patellar tendon/ligament, attaches onto the tibial tuberosity.
  35. QUADRICEPS - VASTUS MEDIALIS: action
    ACTION: Extends the knee joint.
  36. QUADRICEPS - VASTUS MEDIALIS: antagonist
    ANTAGONIST: Hamstrings.
  37. QUADRICEPS - VASTUS INTERMEDIUS: origin & insertion
    • ORIGIN: Anterior lateral surface of the femur, distal half of the linea aspera and the lateral inter-muscular septum.
    • INSERTION: All of the quadriceps wrap up the patella (sesamoid bone) with each having a specific and unique line of pull on the patella. They share a common tendon called the patellar tendon/ligament, attaches onto the tibial tuberosity.
  38. QUADRICEPS - VASTUS INTERMEDIUS: action
    ACTION: Extends the knee joint.
  39. QUADRICEPS - VASTUS INTERMEDIUS: antagonist
    ANTAGONIST: Hamstrings.
  40. TIBIALIS ANTERIOR: origin & insertion
    • ORIGIN: Lateral condyle and lateral two-thirds of tibia.
    • INSERTION: Medial and plantar surface of medial cuneiform bone.
  41. TIBIALIS ANTERIOR: action
    ACTION: Dorsiflexes the foot and assists in inversion.
  42. TIBIALIS ANTERIOR: antagonist
    ANTAGONIST: Soleus and Gastrocnemius.
  43. TRICEPS BRACHII: origin & insertion
    • ORIGIN: Long head - infraglenoid tubercle of the scapula.
    • Lateral head- posterior humerus.
    • Medial head - lower half posterior humerus.
    • INSERTION: Posterior part of upper surface of olecranon process of ulna and posterior capsule.
  44. TRICEPS BRACHII: action
    ACTION: Extends the elbow.
  45. TRICEPS BRACHII: antagonist
    ANTAGONIST: Biceps Brachii.
  46. RHOMBOIDS: origin & insertion
    • ORIGIN: Spines of C7 to T5.
    • INSERTION: Posteromedial border of scapula.
  47. RHOMBOIDS: action
    ACTION: Retracts, adducts, elevates and internally rotates the scapula.
  48. RHOMBOIDS: antagonist
    ANTAGONIST: Serratus Anterior, Pectoralis Major, Lower and Upper Trapezius.
  49. TRAPEZIUS: origin & insertion
    • ORIGIN: Medial third superior nuchal line, ligament nuchae, spinous processes and supraspinous ligaments to T12.
    • INSERTION: Upper fibres to lateral third of posterior border of clavicle, lower fibres to medial acromium and superior lip of spine of scapula to deltoid tubercle.
  50. TRAPEZIUS: action
    ACTION: Laterally rotates, elevates and retracts the scapula. If scapula is fixed, extends and laterally flexes the neck.
  51. TRAPEZIUS: antagonist
    ANTAGONIST: Levator scapula, upper and lower trapezius and pectoralis minor.
  52. SUPRASPINATUS: origin & insertion
    • ORIGIN: Medial three quarters of supraspinous fossa of scapula and upper surface of spine.
    • INSERTION: Superior facet on greater tuberosity of humerus and capsule of shoulder joint.
  53. SUPRASPINATUS: action
    ACTION: Abducts arm, weak external rotator and stabilises the glenohumeral joint.
  54. SUPRASPINATUS: antagonist
    ANTAGONIST: Pectoralis major, teres major and latissimus dorsi.
  55. INFRASPINATUS: origin & insertion
    • ORIGIN: Medial three quarters of infraspinous fossa of scapula and fibrous intermuscular septa.
    • INSERTION: Middle facet of greater tuberosity of humerus and capsule of the shoulder joint.
  56. INFRASPINATUS: action
    ACTION: Laterally rotates arm and stabilises the shoulder joint.
  57. INFRASPINATUS: antagonist
    ANTAGONIST: Pectoralis major, teres major and latissimus dorsi.
  58. TERES MINOR: origin & insertion
    • ORIGIN: Middle third lateral border of scapula above teres major.
    • INSERTION: Inferior facet of greater tuberosity of humerus (below infraspinatus) and capsule of shoulder joint.
  59. TERES MINOR: action
    ACTION: Laterally rotates arm and stabilises the shoulder joint.
  60. TERES MINOR: antagonist
    ANTAGONIST: Teres Major, Pectoralis Major, Latissimus Dorsi and Subscapularis.
  61. SUBSCAPULARIS: origin & insertion
    • ORIGIN: Medial two thirds of scapular fossa.
    • INSERTION: Lesser tuberosity of humerus, upper medial lip of bicipital groove and capsule of the shoulder joint.
  62. SUBSCAPULARIS: action
    ACTION: Medially rotates arm and stabilises the shoulder joint.
  63. SUBSCAPULARIS: antagonist
    ANTAGONIST: Infraspinatus, teres minor, deltoid and supraspinatus.
  64. LATISSIMUS DORSI: origin & insertion
    • ORIGIN: Spinous processes of inferior 6 thoracic vertebrae, thoracolumbar fascia, iliac crest and inferior three or four ribs
    • INSERTION: Intertubercular groove of humerus
  65. LATISSIMUS DORSI: action
    ACTION: Adducts, extends and medially rotates the humerus in the glenohumeral joint.
  66. LATISSIMUS DORSI: antagonist
    ANTAGONIST: Deltoids.
  67. QUADRATUS LUMBORUM: origin & insertion
    • ORIGIN: Inferior border of the twelfth rib
    • INSERTION: Transverse processes of L1 to L4, iliolumbar ligament and posterior third of iliac crest
  68. QUADRATUS LUMBORUM: action
    ACTION: Laterally flexes trunk
  69. QUADRATUS LUMBORUM: antagonist
    ANTAGONIST: Itself
  70. GLUTEUS MAXIMUS: origin & insertion
    • ORIGIN: Gluteal surface of the ilium behind the posterior gluteal line, posterior border of the ilium, aponeurosis of the erector spinae, sacrotuberous ligament and gluteal aponeurosis.
    • INSERTION: Iliotibial band of fascia lata and gluteal tuberosity of the femur.
  71. GLUTEUS MAXIMUS: action
    ACTION: Laterally rotates, extends and assists in adduction at the hip joint.
  72. GLUTEUS MAXIMUS: antagonist
    ANTAGONIST: Hip Flexors (Iliacus and Psoas Major).
  73. GLUTEUS MEDIUS: origin & insertion
    • ORIGIN: Outer surface of the ilium between posterior and middle gluteal lines.
    • INSERTION: Posterolateral surface of greater trochanter of femur.
  74. GLUTEUS MEDIUS: action
    ACTION: Abducts, internally and externally rotates the hip.
  75. GLUTEUS MEDIUS: antagonist
    ANTAGONIST: Adductors and Hip Flexors.
  76. GLUTEUS MINIMUS: origin & insertion
    • ORIGIN: Outer surface of ilium between middle and inferior gluteal lines.
    • INSERTION: Anterior surface of greater trochanter of femur.
  77. GLUTEUS MINIMUS: action
    ACTION: Abducts and medially rotates hip.
  78. GLUTEUS MINIMUS: antagonist
    ANTAGONIST: Adductors and Hip Flexors
  79. TENSOR FASCIAE LATA: origin & insertion
    • ORIGIN: Anterior Superior Iliac Spine (ASIS), outer lip of anterior iliac crest and fascia lata.
    • INSERTION: Via Iliotibial band onto the tibia.
  80. TENSOR FASCIAE LATA: action
    ACTION: Assists to stabilise and steady hip and knee joints by putting tension on the iliotibial band of fascia and flexes and abducts the thigh.
  81. TENSOR FASCIAE LATA: antagonist
    ANTAGONIST: Adductors.
  82. PIRIFORMIS: origin & insertion
    • ORIGIN: Second, third and fourth costotransverse bars of the anterior sacrum and a small number of fibres arise from the sciatic notch.
    • INSERTION: Superior border of greater trochanter of femur.
  83. PIRIFORMIS: action
    ACTION: Laterally rotates the hip and abducts the thigh when the hip is flexed.
  84. PIRIFORMIS: antagonist
    ANTAGONIST: Adductors, Tensor Fasciae Lata and Gluteus Minimus.
  85. GASTROCNEMIUS: origin & insertion
    • ORIGIN: Medial and lateral condyles of the femur and from the capsule of the knee joint and oblique popliteal ligament.
    • INSERTION: Posterior surface of the calcaneus.
  86. GASTROCNEMIUS: action
    ACTION: Plantar flexion and flexes the leg at the knee.
  87. GASTROCNEMIUS: antagonist
    ANTAGONIST: Tibialis Anterior.
  88. HAMSTRINGS - SEMIMEMBRANOSUS (SM): origin & insertion
    • ORIGIN: Attaches from the ischial tuberosity.
    • INSERTION: Attaches to the posteromedial tibia by means of the tibial condyle.
  89. HAMSTRINGS - SEMIMEMBRANOSUS (SM): action
    ACTION: Flexes the knee joint. Medially rotates the knee joint and assist in medial rotation of the hip when the knee is flexed.
  90. HAMSTRINGS - SEMIMEMBRANOSUS (SM): antagonist
    ANTAGONIST: Quadriceps
  91. HAMSTRINGS - SEMITENDINOSUS (ST): origin & insertion
    • ORIGIN: Attaches from the ischial tuberosity.
    • INSERTION: Attaches to the posteromedial tibia by means of the tibial condyle.
  92. HAMSTRINGS - SEMITENDINOSUS (ST): action
    ACTION: Flexes the knee joint. Medially rotates the knee joint and assist in medial rotation of the hip when the knee is flexed.
  93. HAMSTRINGS - SEMITENDINOSUS (ST): antagonist
    ANTAGONIST: Quadriceps
  94. HAMSTRINGS - BICEPS FEMORIS (BF): origin & insertion
    • ORIGIN: Attaches from the ischial tuberosity. BF also has a long head that blends with the sacrotuberous ligament and a short head that blends with the linea aspera and the intermuscular septum.
    • INSERTION: Attaches to the posteromedial tibia by means of the tibial condyle. BF attaches to the lateral surface of the tibia including the deep fascia.
  95. HAMSTRINGS - BICEPS FEMORIS (BF): action
    ACTION: Flexes the knee joint. Medially rotates the knee joint and assist in medial rotation of the hip when the knee is flexed. BF laterally rotates the knee joint and assists in lateral rotation of the hip joint when the knee is flexed.
  96. HAMSTRINGS - BICEPS FEMORIS (BF): antagonist
    ANTAGONIST: Quadriceps
  97. SOLEUS: origin & insertion
    • ORIGIN: This broad flat muscle attaches from the soleal line on the medial border of the tibia, posterior surface of the upper third of the fibula and the fibrous arch between.
    • INSERTION: By means of the calcaneal tendon (heel bone).
  98. SOLEUS: action
    ACTION: Plantar Flexion.
  99. SOLEUS: antagonist
    ANTAGONIST: Tibialis Anterior.
Author
ImageFT
ID
344647
Card Set
26 key Muscles for NMT
Description
Muscle origins insertions actions & antagonists.
Updated