Gross 1 Lab. Flashcards
Origin: Pectoralis Major
(1) Clavicle
(2) Sternum and upper ribs
(3) Tendon of the external Oblique
Insertion: Pectoralis Major
Greater Tubercle
Inter- Tubercular
Groove/ Humerus
Nerve Supply: Pectoralis major
Medial Pectoral Nerve
Lateral Pectoral Nerve
Action: Pectoralis Major
(1) Adduction and medial rotation of humerus (against Resistance)
(1) Clavicle
(2) Sternum and upper ribs
(3) Tendon of the external Oblique
Origin: Pectoralis Major
Greater Tubercle
Inter- Tubercular
Groove/ Humerus
Insertion: Pectoralis Major
Lateral and medial Pectoral Nerve
Nerve Supply: Pectoralis major
(1) Adduction and medial rotation of humerus (against Resistance)
Action: Pectoralis Major
Origin: Pectoralis Minor
Ribs 3-5
Insertion: Pectoralis Minor
Coracoid Process/ Scapula
Action: Pectoralis Minor
Protraction/ Abduction of the scapula
Nerve Supply: Pectoralis Minor
Medial Pectoral Nerve
Origin: Subclavius
First Rib
Insertion: Subclavius
Subclavian Groove/ Clavicle
Action: Subclavius
Moves Clavicle Medially
Nerve Supply: Subclavius
Nerve to the subclavius
Ribs 3-5
Origin: Pectoralis Minor
Coracoid Process/ Scapula
Insertion: Pectoralis Minor
Protraction/ Abduction of the scapula
Action: Pectoralis Minor
Medial Pectoral Nerve
Nerve Supply: Pectoralis Minor
First Rib
Origin: Subclavius
Moves Clavicle Medially
Action: Subclavius
Subclavian Groove/ Clavicle
Insertion: Subclavius
Nerve to the subclavius
Nerve Supply: Subclavius
Origin: trapezius
External Occipital protuberance
Insertion: Trapezius
Clavicle
Acromion Process spine/ scapula
Action: Trapezius
Stabilize scapula
Nerve Supply: Trapezius
Motor: Spinal Accessory Nerve
Sensory: C3,C4
Origin: Rhomboid major
Spines/ Upper Thoracic
Insertion: Teres Major
Vertebral border/ scapula
Action: Teres Major
Stabilize the scapula
Nerve Supply: Teres Major
Dorsal Scapular Nerve.
External Occipital protuberance
Origin: trapezius
Clavicle
Acromion Process spine/ scapula
Insertion: Trapezius
Stabilize scapula
Rhomboid major Rhomboid Minor Levator scapula Serratus Anterior Trapezius
Motor: Spinal Accessory Nerve
Sensory: C3,C4
Nerve Supply: Trapezius
Spines/ Upper Thoracic
Origin: Rhomboid major
Vertebral border/ scapula
insertion: Rhomboid Major
Rhomboid minor Serratus Anterior
Origin: Rhomboid Minor
Spines/ C7 and T1
Insertion: Rhomboid minor
Vertebral border/ scapula
Action: Rhomboid Minor
Stabilize the scapula
Nerve Supply: Teres minor
Dorsal Scapular Nerve.
Dorsal Scapular Nerve.
Supplies:
Rhomboid major
Rhomboid minor
Levator scapula