Posterior Shoulder & Brachium
Superficial, Intermediate, & Deep Back
Posterior Lower Limb
100

What is Deltoid?

100



What is Trapezius?

100


What is Popliteus?

200
  • Origin: Upper dorsal lateral border of the scapula
  • Insertion: Greater tubercle of the humerus
  • Actions: Adducts and laterally rotates arm

What is Teres Minor?

200
  • Origin: Spinous process T7-T12; ribs 8-12; iliac crest
  • Insertion: Intertubercular groove of the humerus
  • Actions: Prime mover of arm extension; adducts and medially rotates arm

Latissimus dorsi

200
  • Origin: Ischial tuberosity
  • Insertion: Head of fibula
  • Actions: Extends thigh; flexes leg

What is the Biceps femoris, long head?

300
  • Origin: Posterior humerus below radial groove
  • Insertion: Olecranon of ulna
  • Actions: Prime extensor of forearm

What is the Triceps brachii, medial head?

300
  • Origin: Spinous process T2-T5
  • Insertion: Medial border of the scapula (spine to inferior angle)

Actions: Elevates/retracts/inferiorly rotates scapula

What is Rhomboid major?

300
  • Origin: Head and proximal shaft of fibula; medial border of tibia
  • Insertion: Calcaneus
  • Actions: Plantar flexes foot

What is Soleus?

400
  • Origin: Subscapular fossa of scapula
  • Insertion: Lesser tubercle of humerus
  • Actions: Medially rotates arm

What is Subscapularis?

400
  • Origin: Spinous process C7-T3
  • Insertion: Lateral borders of ribs 2-5
  • Actions: Elevates ribs during inhalation

What is the Serratus posterior superior?

400
  • Origin: Ischial tuberosity
  • Insertion: Proximal medial surface of tibia
  • Actions: Extends thigh and flexes/medially rotates leg

What is Semitendinosus?

500
  • Origin: Supraspinous fossa of scapula
  • Insertion: Greater tubercle of humerus
  • Actions: Abducts arm

What is Supraspinatus?

500
  • Origin: Transverse process C7-T6
  • Insertion: Occipital bone; the spinous process of cervical and thoracic vertebrae
  • Actions: Extends vertebral column/neck; laterally flexes vertebral column/neck

What is Semispinalis capitis?

500
  • Origin: Inferior ramus of pubis and ischial tuberosity
  • Insertion: Linea aspera/adductor tubercle of femur
  • Actions: Adducts thigh

What is Adductor Magnus?