A&P Lab E: Muscles Operating on the Scapula and Shoulder

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Where does the rhomboid minor originate and insert?

origin = vertebrae C7 - T1 insertion = scapula: medial border

What does the rhomboid minor elevate?

scapula and shoulder

What does the trapezius depress?

scapula and shoulder

What does the trapezius elevate?

scapula and shoulder

what does the pectoralis minor depress?

scapula and shoulder

what muscle inserts at the medial border of the scapula

serratus anterior

What does the rhomboid minor retract?

shoulder

what does the pectoralis minor protract?

shoulder

Where does the serratus anterior originate and insert?

Origin = Ribs Insertion = Scapula: medial border

Where does the pectoralis minor originate and insert?

Origin = Ribs: R3 - R5 Insertion: Scapula: coracoid process

Where does the levator scapula originate and insert?

Origin = Vertebrae C1 - C4 Insertion = Scapula: superior angle, medial border

What are the two muscles that depress Scapula & Shoulder and Abduct Scaupla & Protract Shoulder?

Pectoralis minor (b) Serratus anterior (c)

What muscle originates at vertebrae C7 - T1?

Rhomboid minor

What 2 muscles elevate the scapula & shoulder and adduct the scapula & retract the shoulder?

Rhomboid minor and Rhomboid major

What muscle elevates the scapula and shoulder?

levator scapulae

What does the rhomboid major elevate?

scapula and shoulder

what does the serratus anterior protract?

shoulder

what does the trapezius retract?

shoulder

what muscle inserts at the acromion & spine of scapula, Clavicle?

trapezius

what muscle originates at the occipital and vertebrae?

trapezius

What muscle elevates or depresses the scapula & shoulder and adducts the scapula and retracts the shoulder?

Trapezius

what are the three actions of the pectoralis minor?

depress scapula & shoulder abduct scapula & protract shoulder

what muscle inserts at the superior angle and medial border of the scapula?

levator scapulae

what muscle originates at vertebrae C1 - C4?

levator scapulae

Where does the trapezius originate and insert?

origin = occipital & vertebrae insertion = acromion & spine of scapula, clavicle

Where does the rhomboid major originate and insert?

origin = vertebrae: T2 - T5 insertion = scapula medial border

What muscle inserts at the coracoid process of the scapula?

pectoralis minor

What muscle originates at Ribs 3 - 5?

pectoralis minor

What muscle originates at vertebrae T2 - T5?

rhomboid major

What 2 muscles insert at the medial border of the scapulae?

rhomboid minor(c) and rhomboid major (d)

What does the rhomboid major adduct?

scapula

What does the rhomboid minor adduct?

scapula

what does the pectoralis minor abduct?

scapula

what does the serratus anterior abduct?

scapula

what does the trapezius adduct?

scapula

What does the levator scapulae elevate?

scapula and shoulder

what does the serratus anterior depress?

scapula and shoulder

what muscle originates at the ribs (non specific)?

serratus anterior

What does the rhomboid major retract?

shoulder


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