OINA Flashcards
Levator Scapulae
O: Transverse Process of c1 - c4
I: Medial Border and Superior Angle of Scapula
N: Dorsal Scapula Nerve (c5)
A: Elevation of Scapula
Rhomboids
O: Spinous Processes of c7 - T5
I: Medial Border of Scapula
N: Dorsal Scapula Nerve (c4 - c5)
A: Retraction and Downward Rotation of Scapula
Trapezius
O: External Occipital Protuberance, Superior Nuchal Line of Occipital Bone
I: Posterior Lateral Third of Clavicle, Acromion and Spine of Scapula
N: Accessory Nerve
A: Elevation, Retraction, Depression of the Head
Serratus Anterior
O: External Surface of Rib 1 - 9
I: Medial Border of Scapula
N: Long Thoracic Nerve (c5 - c7)
A: Protraction, Upwards Rotation of Scapula
Subclavius
O: Superior Surface of Costal End of Rib 1
I: Inferior Surface of Middle Clavicle Third
N: Nerve to Subclavius Muscle (c5 - c6)
A: Stabilises Clavicle
Pectoralis Minor
O: Anterior Ends of Ribs 3 - 5
I: Coracoid Process
N: Medial and Latera Pectoral Nerves
A: Protraction and Downward Rotation of Scapula
Pectoralis Major
O: Anterior Medial Half of Clavicle, Manubrium, Abdominal Head
I: Crest of Greater Tubercle
N: Medial and Lateral Pectoral Nerves (c5 - T1)
A: Adduction and Medial Rotation of Arm
Latissimus Dorsi
O: Spinous processes of T7 - L5 via Thoracolumbar Fascia, Ribs 9 - 12, Iliac Crest
I: Floor of Intertubercular Sulcus of Humerus
N: Lower Subscapular Nerve (c5 - c7)
A: Extension, Adduction and Medial Rotation of Arm
Teres Major
O: Posterior Side of Inferior Angle of Scapula
I: Crest of Lesser Tubercle
N: Lower Subscapular Nerve (c5 - c7)
A: Adduction and Medial Rotation of the Arm
Deltoid
O: Lateral Third of clavicle, Acromion, Spine of Scapula
I: Deltoid Tuberosity
N: Axillary Nerve (c5 - c6)
A: Flexion, Medial Rotation, Extension and Abduction of the Arm
Subscapularis
O: Subscapular Fossa
I: Lesser teubercle
N: Upper and Lower Subscapular Nerve (c5 - c7)
A: Medial Rotation of Arm. Stabilises Arm at Glenohumeral Joint
Supraspinatus
O: Supraspinous Fossa
I: Greater Tubercle
N: Suprascapular Nerve (c5 - c6)
A: Abduction, Stabilises Arm at Glenohumeral Joint
Infraspinatus
O: Infraspinous Fossa
I: Greater Tubercle
N: Suprascapular Nerve (c5 - c6)
A: Lateral Rotation, Stabilises Glenohumeral Joint
Teres Minor
O: Posterior aspect of Superior Half of Lateral Border of Scapula
I: Greater Tubercle
N: Axillary nerve
A: Lateral Rotation, Stabilises Glenohumeral Joint
Triceps Brachii (Long, Lateral and Medial Heads)
O: Long - Infraglenoid Tubercle, Lateral - Posterior Surface of Humerus Superior to Radial Groove, Medial - Posterior Surface of Humerus Inferior to Radial Groove
I: Olecranon of Ulna
N: Radial nerve (c4)
A: Forearm Extension at Elbow Joint