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AOIN Trapezius
A - Bilaterally: extends head and neck
Unilaterally: rotates head and neck to opposite sides
O - Spinous processes of C7 - T12
I - Spine of scapula
N - Cranial Nerve XI or Accessory Nerve
AOIN Latissimus Dorsi
A: extends the shoulder
O: Posterior ilia crest
I: Intertubercular groove of the humerus
N: Thoracordorsal C6, 7, 8
AOIN Teres Minor
A: laterally rotates the shoulder
O: lateral border of the scapula
I: greater tubercle of the humerus
N: Axillary C5, 6
AOIN Teres Major
O: inferior angle and lower lateral border of the scapula
I: crest of the lesser tubercle of the humerus
N: Subscapular C5, 6, 7
AOIN Supraspinatus
A: abducts the shoulder
O: supraspinous fossa of the scapula
I: greater tubercle of the humerus
N: suprascapular C4, 5, 6
AOIN Infraspinatus
A: laterally rotates the shoulder
O: infraspinous fossa of the scapula
I: greater tubercle of the humerus
N: suprascapular C4, 5, 6
AOIN Rhomboid Major
A: adducts the scapula
O: spinous processes of T2-T5
I: medial border of the scapula b/t spine of scapula and inferior angle
N: dorsal scapular C4, 5
AOIN Rhomboid Minor
O: spinous processes of C7 and T1
I: upper portion of the medial border of the scapula, across from the spine of the scapula
N: dorsal scapular C4, 5
AOIN Subscapularis
A: medially rotates the shoulder
O: subscapular fossa of the scapula
I: lesser tubercle of the humerus
N: (upper and lower) subscapular C5, 6, 7
AOIN Levator Scapula
A - unilaterally: rotates head and neck to the same side
bilaterally: extends head and neck
O - transverse processes of 1st through 4th cervical vertebrae
I - medial border of scapula, b/t superior angle and superior portion of spine of scapula
N - cervical 3, 4 and dorsal scapular C4, 5
AOIN Iliocostalis, Longissimus, Spinalis
A: laterally flexes vertebral column to SAME side
N: spinal nerve
AOIN Biceps Femoris
A: Flex the knee
O: Long head: Ischial Tuberosity
Short head: Lateral lip of linea aspera
I: Head of fibula
N: Sciatic
AOIN Semitendinosus
A: Flex the knee
O: Ischial tuberosity
I: Proximal medial shaft of tibia
N: Sciatic
AOIN Semimembranosus
A: Flex the knee
O: Ischial tuberosity
I: Posterior aspect of medial condyle of tibia
N: Sciatic
AOIN Gluteus Maximus
A: abduct hip
O: coccyx
I: gluteal tuberosity
N: inferior gluteal
A: abduct hip
O: the gluteal surface of ilium between anterior and inferior gluteal lines
I: anterior aspect of greater trochanter
N: superior gluteal
AOIN Gastrocnemius
A: plantar flexion of ankle
O: condyles of femur
I: calcaneous of calcaneal tendon
N: tibial
AOIN Soleus
A: plantar flexion of ankle
O: soleal line
I: calcaneous of calcaneal line
N: tibial
AOIN Plantaris
A: weak plantar flexion of the ankle
O: lateral supracondylar line of the femur
I: calcaneous of the calcaneal tendon
N: tibial
AOIN Popliteus
A: flex knee
O: lateral condyle of the femur
I: proximal, posterior aspect of the tibia
N: tibial
AOIN Fibularis Longus
A: everts foot
O: head of the fibula
I: base of the 1st metatarsal, medial cuneiform
N: superficial fibular