1 An electromyography (EMG) tracing records the mechanical electrical activity o

Question

1 An electromyography (EMG) tracing records the mechanical electrical activity of a muscle. 2 How many points of origin does the biceps brachi possess? 01 23 The biceps brachii originates on the: (select all that apply) humerus scapula clavicle radius ulna The biceps brachii inserts on the: (select all that apply) humerus scapula clavicle radius ulna Name the bony insertion of the biceps brachi: How many joints does the biceps brachii cross? When the biceps brachii contracts, it can cause more than one action. (check all that apply) Flexion of the humerus Pronation of the forearm Flexion at the elbow Abduction of the humerus ? Extension of the humerus Supination of the forearm Extension at the elbow Adduction of the humerus 3 How many points of origin does the triceps brachii possess?1 02 3 The triceps brachii originates on the: (select all that apply) ?humerus ?scapula ?clavicle radius ?ulna The triceps brachii inserts on the: (select all that apply) humerus scapula clavicle radius ulna Name the bony insertion of the triceps brachii: How many joints does the triceps brachi cross? When the triceps brachii contracts, it can cause more than one action. (check all that apply) Extension of the humerus Supination of the forearm Extension at the elbow Adduction of the humerus Flexion of the humerus ? Pronation of the forearm DAbduction of the humerus when a muscle contracts concentrically, it ? Flexion at the elbow ? shortens ? lengthens 4 an isometric contraction, the length of the muscle: changes ? remains constant. During During an isometric contraction the tension generated by the muscle: 5 ? can change ? will remain constant. Inquiry-Based Exercises in Human Anatomy &Physiology; (Part 1) 13 Eleen Bush Wilam Perrott

Explanation / Answer

Biceps brachii origin--scapula

Biceps brachii inserts in Radius

biceps brachii crosses both shoulder and elbow joints

when biceps brachii contracts it causes

2 joints shoulder and elbow

ANS3--triceps brachii has 3 origin points

-triceps brachii originates from scapula

-triceps brachii inserts in ulna

bony insertion of triceps brachii---Olecranon process of ulna

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