Back and Shoulder Muscles - Statistics

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General Stats

This quiz has been taken 82 times
The average score is 16 of 27

Answer Stats

Compartment	Muscle	Nerve	Artery	Action	% Correct
Shoulder	deltoid	axillary	thoracoacromial	flexion, extension, abduction, medial rotation, lateral rotation	92%
Superficial Extrinsic	trapezius	spinal accessory		elevate, depress, retract pec girdle	86%
Pectoral	pectoralis major	medial and lateral pectoral	thoracoacromial	depression, flexion, adduction, medial rotation	84%
Rotator Cuff	teres minor	axillary	subscapular, circumflex scapular	lateral rotation	84%
Superficial Extrinsic	latissimus dorsi	thoracodorsal	thoracodorsal, subscapular	extend, adduct, medially rotates shoulder	81%
Pectoral	pectoralis minor	medial and lateral pectoral	thoracoacromial	depression, protraction	81%
Rotator Cuff	infraspinatus	suprascapular	suprascapular	lateral rotation	76%
Rotator Cuff	supraspinatus	suprascapular	suprascapular	abduction	76%
Shoulder	teres major	lower subscapular	subscapular, circumflex scapular	adduction, extension, medial rotation	76%
Superficial Extrinsic	rhomboid major	dorsal scapular	dorsal scapular	retract and elevate pec girdle	73%
Superficial Extrinsic	rhomboid minor	dorsal scapular	dorsal scapular	retract and elevate pec girdle	73%
Rotator Cuff	subscapularis	upper and lower subscapular	subscapular, circumflex scapular	medial rotation	70%
Pectoral	serratus anterior	long thoracic	thoracoacromial	depression, protraction, lateral rotation	68%
Superficial Extrinsic	levator scapulae	dorsal scapular	dorsal scapular	elevate pec girdle	65%
Deep Intrinsic (Intermediate)	longissimus	dorsal rami		upright posture, extend spine, laterally flex spine, control rate of flexion	59%
Intermediate Extrinsic	serratus posterior inferior	intercostal T9-12		proprioceptive for respiratory movements	57%
Intermediate Extrinsic	serratus posterior superior	intercostal T2-5		proprioceptive for respiratory movements	57%
Deep Intrinsic (Intermediate)	iliocostalis	dorsal rami		upright posture, extend spine, laterally flex spine, control rate of flexion	51%
Deep Intrinsic (Intermediate)	spinalis	dorsal rami		upright posture, extend spine, laterally flex spine, control rate of flexion	51%
Deep Intrinsic (Deep)	rotatores	dorsal rami		local stability, proprioceptive function, extend spine, laterally flex + rotate	49%
Deep Intrinsic (Deep)	multifidus	dorsal rami		local stability, proprioceptive function, extend spine, laterally flex + rotate	43%
Deep Intrinsic (Deep)	semispinalis	dorsal rami		local stability, proprioceptive function, extend spine, laterally flex + rotate	41%
Deep Intrinsic (Deep - Minor)	interspinalis	dorsal rami		extension of neck and spine, proprioception	32%
Deep Intrinsic (Superficial)	splenius cervicis	dorsal rami		extend head, neck, laterally flex + rotate head and neck	32%
Deep Intrinsic (Superficial)	splenius capitus	dorsal rami		extend head, neck, laterally flex + rotate head and neck	30%
Deep Intrinsic (Deep - Minor)	intertransversarii	dorsal rami		lateral flexion, proprioception	24%
Deep Intrinsic (Deep - Minor)	levatores costarum	dorsal rami		elevation of the ribs	19%

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