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BMS 250 Lab

Lab 9

QuestionAnswer
Origin the fixed point where muscle is attached to bone that doesn't move
Insertion the point of attachment in a muscle connected to bone where movement occurs
Origin point of masseter zygomatic arch
Insertion point of masseter coronoid process, angle, and lateral surface of mandible
Origin point of sternocleidomastoid manubrium of sternum and sternal end of clavicle
Origin point of deltoid acromial end of clavicle and acromion and spine of scapula
Origin point of supraspinatus supraspinous fossa of scapula
Origin point of biceps brachii short head coracoid process of scapula
Insertion point of sternocleidomastoid mastoid process of temporal lobe
Insertion point of deltoid deltoid tuberosity of humerus
Insertion point of supraspinatus greater tubercle of humerus
Insertion point of biceps brachii short head radial tuberosity of radius
Primary action of frontal belly of occipitofrontalis muscle raises eyebrows; wrinkles skin of forehead
Primary action of occipital belly of occipitofrontaliis muscle slightly retracts scalp
Primary action of orbicularis oculi closes eye (as in winking, blinking, and squinting)
Primary action of orbicularis oris compresses and purses lips
Primary action of masseter elevates and protracts mandible
Primary action of temporalis elevation and retraction of mandible
Primary action of sternocleidomastoid bilateral action- flexion of neck, unilateral action- lateral flexion of head
Primary action of erector spinae group extension of neck and vertebral column
Primary action of external oblique flexion and lateral flexion of vertebral column
Primary action of internal oblique flexion and lateral flexion of vertebral column
Primary action of transversus abdominis miscle flexion and lateral flexion of vertebral column
Primary action of rectus abdominis flexes vertebral column
Primary action of pectoralis minor flex, medial rotate, and adducts arm
Primary action of serratus anterior protraction of scapula
Primary action of levator scapulae elevates scapula
Primary action of rhomboid major elevation and retraction of scapula
Primary action of rhomboid minor elevates scapula
Primary action of trapezius superior fibers- elevation of scapula, middle fibers- retraction of scapula, inferior fibers- depression of scapula
Primary action of latissimus dorsi muscle extension of arm, adduction and medial rotation of arm
Primary action of pectoralis major flexion of arm adduction and medial rotation of arm
Primary action of deltoid middle fiber- abduction of arm, anterior fibers- flexion and medial rotation of arm, posterior fibers- extension and lateral rotation of arm
Primary action of coracobrachialis adduct and flex arm
Primary action of teres major extension, adduction, and medial rotation of arm
Primary action of subscapularis medially rotates arm
Primary action of supraspinatus abducts arm
Primary action of infraspinatus adduction and lateral rotation of arm
Primary action of teres minor adducts and laterally rotates arm
Primary action of biceps brachii flexion and supination of forearm
Primary action of brachialis flexes forearm
Primary action of brachioradialis flexes forearm
Primary action of triceps brachii extension of arm, adduction of arm by long head
Primary action of pronator teres pronation of forearm
Primary action of pronator quadratus pronates forearm
Primary action of supinator supinates forarm
Created by: kkade
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