Activity Analysis: Upper Extremity and Trunk Break the activity into three diffe

Question

Activity Analysis: Upper Extremity and Trunk Break the activity into three different phases: wind up, swing (force phase) and deceleration. ¾ List the osteokinematic motion (joint motion)of the: Trunk (spine), glenohumeral, scapulothoracic joints and the elbow, forearm, wrist and fingers. identify the functional group of muscles (i.e. flexors) ¾ identify the agonists (primary muscles doing the movement) identify the planes and axes of each joint and the motion as a whole Type of muscle contraction Does gravity resist, assist, or have no effect on the motion?

Explanation / Answer

joints flexors agonists planes axes type of muscle contraction trunk Rectus Abdominis External Obliques, Internal Obliques, Psoas sagittal bilateral resist gravity glenohumeral Pectoralis major Anterior deltoid transverse longitudinal resist gravity scapulothoracic subscapularis serratus anterior transverse vertical resist gravity elbow Brachialis Biceps brachii, brachioradialis sagittal bilateral resist gravity forearm flexor carpi ulnaris flexor carpi redialis frontal anteroposterior resist wrist & fingers Flexor Carpi Radialis (FCR) Palmaris Longus (PL) Flexor Carpi Ulnaris (FCU) Flexor Digitorum Superficialis (FDS) Flexor Digitorum Profundus (FDP) Flexor Pollicis Longus (FPL) flexor digitorum profundus frontal anteroposterior resist gravity

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