(PDF) Occupational Therapy
Added on 2021-04-24
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Running Head: OCCUPATIONAL THERAPY 1Occupational TherapyNameInstitutional Affiliation
OCCUPATIONAL THERAPY 2Process of Reaching out for a Glass in an Overhead CabinetThe process of reaching out for an overhead cabinet involves several muscles groups, which are engaged sequentially. The muscles of the upper limb are the most important in that regard. This paper will assume that the subject in question is already standing on his feet and does not need to stretch his legs to reach the height of the cabinet hence the concentration of this paper of the sequential activities of the upper limb. STEPMUSCLES INVOLVEDMOTOR AND SENSORY INPUTSSTRENGTH REQUIREMENTS AND ADAPTATIONAbduction at the shoulder jointDeltoid is the main muscle of abduction.Origin – scapula, acromion, and anterior border of clavicleInsertion – humerus (Greene & Roberts, 2005)Motor innervation by the axillary nerve (C5, C6). (Drake et al., 2010)Sensory innervation for proprioception and position by the radial nerveIt is a powerful adductor of the arm. No extra power requirements. Stabilization of the scapula and shoulder joint Rotator cuff muscles:Supraspinatus originates on the posterior surface of the scapula and The muscles ensure stability of the scapula and shoulder joint and are weak abductors of the arm. Are important for the subsequent steps. Trapezius completes the abduction.
OCCUPATIONAL THERAPY 3inserts on greater tubercle. Infraspinatus originates from the scapula and gets in the greater tubercle. Teres minor – initiates from the scapula and put in in on the greator tubercle (Drake et al.,2010). Innervated by the axillary nerve (Snell, 2012)Arm flexion at the shoulder joint. Pectoralis majorOrigin – clavicle, sternum, first seven costal cartilages, sixth rib, and the aponeurosis of the external oblique (Sinnatamby & Last, 2006)Media and lateral pectoral nerves (C5, C6, C7, C8, T1) (Greene & Roberts, 2005)Other muscles like brachioradialis and coracobrachialis are adjunctive in arm flexion. Forearm extension at the elbow joint. Triceps brachiiOrigin – scapula and Radial nerve (C6, C7,C8) (Drake et al., The muscle is a powerful extensor of
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