Medical OIA

Flashcards for Medical OIA

Sternocleidomastoid

O - Sternum and clavicle
I - Mastoid process of temporal bone
A - Flexes neck and rotates head

Diaphragm

O - Lower ribs, sternum, and lumbar vertebrae
I - Central tendon
A - Main muscle of breathing; contracts during inhalation

Rectus Abdominis

O - Pubis

I - Xiphoid process and ribs 5-7
A - Flexes vertebral column; compresses abdomen

External Obliques

O - Lower eight ribs
I - Iliac crest and linea alba
A - Rotates and flexes trunk; compresses abdomen

Pectoralis Major

O - Clavicle, sternum, and upper ribs
I - Humerus
A - Flexes, adducts, and medially rotates arm

Latissimus Dorsi

O - Lower thoracic vertebrae, lumbar vertebrae, and iliac crest
I - Humerus
A - Extends, adducts, and medially rotates arm

Trapezius

O - Occipital bone and cervical/thoracic vertebrae
I - Clavicle and scapula
A - Elevates, retracts, and rotates scapula

Rhomboids

O - Cervical and thoracic vertebrae
I - Medial border of scapula
A - Retracts and stabilizes scapula

Pectoralis Minor

O - Ribs 3-5
I - Coracoid process of scapula
A - Pulls scapula forward and downward

Deltoids

O - Clavicle and scapula
I - Deltoid tuberosity of humerus
A - Abducts arm

Biceps Brachii

O - Scapula
I - Radius
A - Flexes elbow and supinates forearm

Triceps Brachii

O - Scapula and humerus
I - Olecranon process of ulna
A - Extends forearm

Gluteus Maximus

O - Ilium, sacrum, and coccyx
I - Femur and iliotibial tract
A - Extends and laterally rotates thig

Gluteus Medius

O - Ilium
I - Greater trochanter of femur
A - Abducts and medially rotates thigh

Sartorius

O - Anterior superior iliac spine
I - Medial tibia
A - Flexes, abducts, and laterally rotates thigh; flexes knee

Rectus Femoris

O - Ilium
I - Tibial tuberosity by patellar ligament
A - Extends knee and flexes thigh

Biceps Femoris

O - Ischium and femur
I - Fibula
A - Flexes knee and extends thigh

Semimembranosus

O - Ischial tuberosity
I - Tibia
A - Flexes knee and extends thigh

Semitendinosus

O - Ischial tuberosity
I - Tibia
A - Flexes knee and extends thigh

Tibialis Anterior

O - Tibia
I - Medial cuneiform and first metatarsal
A - Dorsiflexes and inverts foot

Gastrocnemius

O - Femur
I - Calcaneus by Achilles tendon
A - Plantar flexes foot and flexes knee

Soleus

O - Tibia and fibula
I - Calcaneus by Achilles tendon
A - Plantar flexes foot