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Muscles

Muscles. Attachments and movements. Muscles of Shoulder Girdle. Trapezius Rhomboids Serratus Anterior Levator Scapulae Pectoralis Minor. Trapezius . Proximal Attachments: Occipital Bone, Ligamentus Nuchae , Thoracic Vertebrae

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Muscles

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  1. Muscles Attachments and movements

  2. Muscles of Shoulder Girdle • Trapezius • Rhomboids • Serratus Anterior • Levator Scapulae • Pectoralis Minor

  3. Trapezius • Proximal Attachments: Occipital Bone, LigamentusNuchae, Thoracic Vertebrae • Distal Attachments: Spine of Scapula, Distal posterior 1/3 of the scapula. • Movements: Elevation, Retraction, Depression, Upward Rotation

  4. Rhomboids • Proximal Attachment- c7-t5 of vertebrae • Distal Attachment- Vertebral (Medial Border of the scapula. • Movements: elevation, retraction, downward rotation.

  5. Serratus Anterior • Proximal Attachment- the top of the back surface of the top nine ribs. • Distal Attachment- Vertebral Border of the scapula on the underside • Movements- upward rotation, protraction

  6. Levator scapulae • Proximal Attachment- Transverse Process of the top 4 cervical vertebrae. • Distal Attachment- Superior angle of the scapula • Movements- Elevation of scapula, lateral flexion of the neck

  7. Pectoralis Minor • Proximal Attachment- 3-5th rib • Distal Attachment- corocoid process • Movements depression, downward rotation, protraction

  8. Muscles of the Shoulder joint(Glenohumeral joint) • Anterior Deltoid • Medial Deltoid • Posterior Deltoid • Pectoralis Major • LatissimusDorsi • Teres Major • Rotator Cuff Muscles • InfraSpinatus • SupraSpinatus • Subscapularis • Teres Minor

  9. Anterior Deltoid • Proximal Attachment-distal anterior 1/3 of the clavicle • Distal Attachment- deltoid tuberosity (humerus) • Movements: flexion, inward rotation, minor in horizontal adduction

  10. Posterior Deltoid • Proximal Attachment- spine of scapula • Distal Attachment- deltoid tuberosity • Movements: outward rotation, extension, horizontal abduction

  11. Medial Deltoid • Proximal Attachment- acromion process • Distal Attachment- deltoid tuberosity • Movements: abduction

  12. Pectoralis Major • Proximal Attachments- sternum, clavicle • Distal Attachment- bicepital groove (humerus) • Movements: horizontal adduction, inward rotation, flexion.

  13. LatissimusDorsi • Proximal Attachment- crest of ilium via lumbosacral fascia, lower 6 thoracic vertebrae, all of lumbar vertebrae • Distal Attachment- bicepital groove (humerus) • Movements: extension, inward rotation, adduction

  14. Teres Major • Proximal Attachment- inferior angle of the scapula • Distal Attachment- bicepital groove (humerus) • Movements: extension, inward rotation, adduction

  15. Infraspinatus (rot.cuf.) • Proximal Attachment- infraspinus fossa • Distal Attachment- greater tubericle • Movements: outward rotation, horizontal abduction

  16. Supraspinatus (rot.cuf.) • Proximal Attachment- supraspinus fossa • Distal Attachment- top of the greater tubericle • Movements: abduction

  17. Subscapularis (rot.cuf.) • Proximal Attachment- subscapular fossa • Distal Attachment- lesser tubericle • Movements: medial rotation, horizontal adduction

  18. Teres Minor (rot.cuf.) • Proximal Attachment- axillary (lateral) border of the scapula • Distal Attachment- greater tubericle • Movements: outward rotation, horizontal abduction

  19. Muscles of the Elbow • Triceps • Biceps • Brachialis • Brachioradialis

  20. Triceps • Proximal Attachment: (long head) underneath glenoid fossa, (lateral head) back of the humerusabout an inch below the head of the humerus, back surface of the humerus. • Distal Attachment: ulecranon process • Movements: Elbow extension

  21. Biceps • Proximal Attachment: On top of the glenoid fossa, corocoid process • Distal Attachment: radial tuberosity • Movements: Elbow flexion, forearm supination

  22. brachialis • Proximal Attachment: distal anterior 2/3 of the humerus • Distal Attachment: coronoid process (ulna) • Movements: Elbow flexion,

  23. brachioradialis • Proximal Attachment: supracondylar ridge of humerus • Distal Attachment: styloid process of the radius • Movements: elbow flexion, forearm pronation

  24. Wrist Flexors • Proximal Attachment: Medial Epicondyle of the Humerus • Distal Attachment: Carpals, and Metacarpals (Palm side) • Movements: Wrist flexion

  25. Wrist Extensors • Proximal Attachment: lateral epicondyle of the humerus • Distal Attachment: dorsal surface of the carpals and metacarpals. • Movements: wrist extension, and wrist hyperextension

  26. Muscles of the Hip • Sartorius • Rectus Femoris • Psoas • Illiacus • Tensor Fascia Latae • Gluteus Maximus • Gluteus Medius • Gluteus Minimus • Hip Adductor Muscles

  27. Sartorius • Proximal Attachment: Anterior Superior Iliac Spine • Distal Attachment: Tibial Tuberosity • Movements: Hip Flexion, Knee Flexion, Outward rotation, Abduction

  28. Rectus Femoris • Proximal Attachment: Anterior Inferior Iliac Spine • Distal Attachment: Tibial Tuberosity • Movements: Hip Flexion, Knee Extension

  29. Psoas • Proximal Attachment: Anterior portion of all Lumbar Vertebrae • Distal Attachment: Lesser Trochanter of the Femur • Movements: Hip Flexion, Outward Rotation

  30. Iliacus • Proximal Attachment: Inside of the Ilium • Distal Attachment: Lesser trochanter of the Femur • Movements: Hip flexion, outward rotation, adduction

  31. Tensor Fascia Latae • Proximal Attachment: Behind the Anterior Superior Iliac Spine • Distal Attachment: Lateral Tibia via the IT band • Movements: Stabilizes the IT Tract, Assists in Hip flexion and inward rotation.

  32. Gluteus Maximus • Proximal Attachment: Crest of the Ilium, Lumbo- sacral fascia, Sacrum • Distal Attachment: Greater Trochanter of the Femur, IT Tract • Movements: Hip Extension, Outward Rotation

  33. Gluteus Medius • Proximal Attachment: Crest of Ilium, Outside Fossa of the Ilium. • Distal Attachment: Anterior Portion of the Greater Trochanter • Movements: Abduction, Inward Rotation

  34. Gluteus Minimus • Proximal Attachment: Same as Medius • Distal Attachment: Same as Medius • Movements: Abduction, inward rotation.

  35. Hip Adductors • Proximal Attachment: Inferior Ramus • Distal Attachment: Lineaspera of the Femur • Movements: Adduction, Outward Rotation.

  36. Muscles of the Knee • VastusLateralis • VastusMedialis • VastusIntermedius • Semitendinosis • Semimembranosis • Biceps Femoris • Gastrocnemius • Soleus • Anterior Tibialis

  37. VastusLateralis • Proximal Attachment: lineaaspera • Distal Attachment: tibial tuberosity • Movements: knee extension

  38. VastusMedialis • Proximal Attachment: lineaaspera • Distal Attachment: tibial tuberosity • Movements: knee extension

  39. Vastusintermedius • Proximal Attachment: upper anterior 2/3 of femur • Distal Attachment: tibial tuberosity • Movements: knee extension

  40. semimembranosis • Proximal Attachment: Ishial Tuberosity • Distal Attachment: Medial portion of tibial tuberosity (same as the sartorius) • Movements: Knee Flexion, hip extension, medial rotation

  41. semitendinosis • Proximal Attachment: Ishial Tuberosity • Distal Attachment: Medial tibia tuberosity • Movements: knee flexion, hip extension, medial rotation.

  42. Biceps femoris • Proximal Attachment: Long Head- Ishial Tuberosity, Short Head- Linea aspera • Distal Attachment: Tibia, and lateral fibula • Movements: knee flexion, hip extension,

  43. gastrocnemius • Proximal Attachment: back of femur (condyles of the knee) • Distal Attachment: Calcaneus • Movements: Plantarflexion, assists in knee flexion

  44. soleus • Proximal Attachment: Posterior tibia and fibula • Distal Attachment: calcaneus • (underneath the gastrocnemius • Movements: plantar flexion

  45. Anterior tibialis • Proximal Attachment: lateral tibia • Distal Attachment: top of the 1st metatarsal • Movements: dorsiflexion, inversion

  46. Spinal Muscles • Erector Spinae • Abdominus Rectus • Internal Obliques • External Obliques

  47. Erector Spinae • Proximal Attachment: spinus and vertebral processes of the vertebrae • Distal Attachment: “ “, lumbosacral fascia • Movements: extension and hyperextension of the spine.

  48. Abdominus Rectus • Proximal Attachment: pelvis • Distal Attachment: costal cartilage of 5-7 ribs • Movements: flexion, lateral flexion

  49. Internal Obliques • Proximal Attachment: linea alba, lower 4 ribs • Distal Attachment: crest of the ilium, lumbosacral fascia, ingual ligament • Movements: rotation, flexion, lateral flexion

  50. External obliques • Proximal Attachment: bottom 8 ribs, • Distal Attachment: linea alba, and crest of the ilium • Movements: flexion, lateral flexion, rotation

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