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47 Cards in this Set
- Front
- Back
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what is the action of the latissimus dorsi?
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humeral adduction, extension and medial rotation
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what is the action of the levator scapulae?
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elevation and inferior ration of the lateral edge of the scapula
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what is the action of the pectoralis major?
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humeral adduction, flexion and medial rotation
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what is the action of the pectoralis minor?
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scapular protraction and assists with depression of the shoulder
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what is the action of the rhomboids?
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scapular retraction and inferior rotation of the lateral angle
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what is the action of the serratus anterior?
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scapular protraction and upper rotation of the lateral angle of the scapula
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what is the action of the trapezius?
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scapular elevation, depression, retraction and superior rotation of the lateral angle
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what is the action of the deltoid?
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humeral flexion, medial rotation, abduction, extension and lateral rotation
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what is the action of the subscapularis?
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stabilizes the glenohumeral joint, and medially rotates and adducts humerus
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what is the action of the supraspinatus?
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initiates humeral abduction
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what is the action of the teres major?
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humeral adduction and medial rotation
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what is the action of the infraspinatus?
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stabilizes glenohumeral joint and lateral rotation of humerus
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what is the action of the teres minor?
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stabilizes glenohumeral joint and lateral rotation of the humerus
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what is the action of the biceps brachii?
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flexion of the arm and forearm, and supination of the forearm
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what is the action of the brachialis?
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flexion of the forearm
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what is the action of the coracobrachialis?
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flexion and adduction of arm
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what is the action of the triceps?
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extension of the arm (long head) and extension of the forearm (long, lateral and medial heads)
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what is the action of the muscles of the posterior compartment of the forearm?
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supination of the forearm, and extension of the wrist, metacarpals and phalanges
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what is teh action of the muscles of the anterior compartment of the forearm?
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pronation of the forearm, and flexion of the wrist, metacarpals and phalanges
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what is the innervation of the latissimus dorsi?
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thoracodorsal nerve
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what is the innervation of the levator scapulae?
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dorsal scapular nerve
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what is the innervation of the pectoralis major?
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lateral and medial pectoral nerves
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what is the innervation of the pectoralis minor?
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lateral and medial pectoral nerves
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what is the innervation of the rhomboids?
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dorsal scapular nerve
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what is the innervation of the serratus anterior?
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long thoracic nerve
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what is the innervation of the trapezius?
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accessory nerve
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what is the innervation of the deltoid?
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axillary nerve
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what is the innervation of the subscapularis?
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upper and lower subscapular nerves
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what is the innervation of the teres major?
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lower subscapular nerve
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what is the innervation of the supraspinatus?
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suprascapular nerve
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what is the innervation of the infraspinatus?
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suprascapular nerve
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what is the innervation of the teres minor?
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axillary nerve
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what is the innervation of the biceps brachii?
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musculocutaneous
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what is the innervation of the brachialis?
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musculocutaneous and radial nerves
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what is the innervation of the coracobrachialis?
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musculocutaneous nerve
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what is the innervation of the triceps?
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radial nerve
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what is the innervation of the posterior compartment of the forearm?
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radial nerve
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what is the innervation of the anterior compartment of the forearm?
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median and ulnar nerves
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what is the function of the anterior longitudinal ligament?
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stabilizes vertebral column and prevents hyperextension
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what is the function of the posterior longitudinal ligament?
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prevents hyperflexion of the vertebral column
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what is the attachment of the ligamentum flavum?
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interconnects adjacent lamina
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what is the attachment of the supraspinous ligament?
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apices of spinous processes C7 to sacrum
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what is the attachment of the interspinous ligament?
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interconnect adjacent spinous processes
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what is the attachment of the ligamentum nuchae?
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from C7 spinous process to external occipital protuberance
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what is the action of the erector spinae? (deep muscle of the back)
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extension and lateral flexion of the vertebral column
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what is the reason for the cervical enlargement?
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it is from about C3 to T2 and is caused by increased neural input/output to upper extremities. supplies nerves to upper extremities
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what is the reason for the lumbar enlargement?
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it is from about T9--> conus medullaris and is nerves to the lower limb
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