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Wet Lab 4
Anterior Axio-appendicular muscles
Question | Answer |
---|---|
List the proximal/distal/nerve/actions of D1 | D1 = Pectoralis Major Proximal (D1-P): Clavicular (anterior clavicle) Sternocostal: anterior sternum (superior CC) Distal (D1-D): Lateral lip of intertubercular sulcus Nerve: Lateral pectoral nerves ACtion: Adduct & medially rotate humerus |
List the proximal/distal/nerve/actions of D2 | D2 = Pectoralis MInor Proximal (D2-P): 3rd-5th ribs Distal (D2-D): Coracoid process Nerve (D2-N): Medial pectoral nerves Action (D2-Act): Stabilize scapule (Draw ant and inf) |
List the proximal/distal/nerve/actions of D3 | D3 = Subclavius Proximal (D3-P): Junction of 1st rib and CC Distal (D3-D): Inferior middle 1/3 of clavicle Nerve: Subclavius nerves ACtion (D3-Act): Anchor & depress clavicle |
List the proximal/distal/nerve/actions of D4 | D4 = Serratus anterior Proximal (D4-P): external lateral surface of 1st-8th ribs Distal (D4-D): Anterior, medial border of scapula Nerve: Long thoracic nerves Acion (D4-act): PRotraction of scapula |