Superficial Back & Shoulder Flashcards
Mid Trapezius
O:C7-T4 I: Acromion IN: Spinal Accessory Nerve (XI) BS: Suprascapular A, transverse cervical A Action: retract scap, rotate scap
Upper Trapezius
O: Superior Nuchal Line
I: Lateral Clavicle
IN: Spinal Accessory Nerve (XI)
BS: suprascapular A, transverse cervical A
A: elevate scap, elevate glenoid, ipsi flex neck
Lower Trapezius
O: T4-T12 I: Spine of Scapula IN: Spinal Accessory Nerve (XI) BS: Suprascapular A, Transverse Cervical A Action: Depress Scap, Depress Glenoid
Pectoralis Major
O: Mid Clavicle, Sternum, Ribs 2-6
I: Lateral Lip of the Intertubercular Groove of the Humerus
IN: Lateral & Medial Pectoral Nerve
BS: Pectoral Artery
Action: Protract Scapula, Adduct Arm, Medially Rotate Humerus, Flex Arm
Pectoralis Minor
O: Ribs 3-5 (costal cartilage) I: Coracoid Process of the Scapula IN: Medial Pectoral Nerve BS: Pectoral Artery Action: Fix Scapula, Rotate Scapula, Depress Glenoid
Serratus Anterior
O: Ribs 1-8 I: Anteromedial Border of the Scapula IN: Long Thoracic Nerve BS: Lateral Thoracic Artery, Subscapular Artery Action: Protract Scap, Hold Scap to Ribs
Lattismus Dorsi
O: T6-T12, Iliac Crest, Thoracolumbar Fascia, Ribs 8-12
I: Medial Lip of the Intertubercular Groove of the Humerus
IN: Thoracodorsal N
BS: Thoracodorsal A
Action: Adduct Arm, Extend Arm, Medially Rotate arm
Levator Scapulae
O: Transverse Process of C1-C4 I: Superior Angle of the Scapula IN: Dorsal Scapular N BS: Transverse Cervical Artery Action: Elevate Scapula, Ipsi Bend/Flex neck, Depress Glenoid
Rhomboid Minor
O: C7 I: Superior Medial Border of the Scapula IN: Dorsal Scapular Nerve BS: Dorsal Scapular Artery Action: Retract Scapula, Depress Glenoid, Rotate Scapula
Rhomboid Major
O: C7-T5 I: Inferior Medial Border of the Scapula IN: Dorsal Scapular Nerve BS: Dorsal Scapular Artery Action: Retract Scapula, Depress Glenoid, Rotate Scapula
Subclavius
O: Rib 1/ Costal Cartilage
I: Inferior Medial Border of the Clavicle
IN: Nerve to Subclavius
BS: Clavicular Artery, Suprascapular Nerve
Action: Fix Clavicle (Depress & Protract)
Anterior Deltoid
O: Lateral Clavicle I: Deltoid Tuberosity of the Humerus IN: Axillary Nerve BS: Deltoid Artery Action: Medially Rotate Humerus
Middle Deltoid
O: Acromion I: Deltoid Tuberosity of the Humerus IN: Axillary Nerve BS: Deltoid Artery Action: Abduction
Posterior Deltoid
O: Spine of Scapula I: Deltoid Tuberosity of the Humerus IN: Axillary BS: Deltoid Artery Action: Laterally Rotate & Extend Humerus
Subscapularis
O: Subscapular Fossa I: Lesser Tubercle of the Humerus IN: Upper & Lower Subscapular N BS: Subscapular A, Axillary A Action: Adduct & Medially Rotate Humerus, Hold Humeral Head in Place