A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
Triceps Brachii � Trail Guide, Page 97 � Triceps brachii is the only muscle located on the posterior arm. � The name means “three- headed muscle of the arm”. � The three muscle bellies are: � • Long head � • Lateral head � • Medial head � When do you use your triceps brachii? � Posterior View � Posterior View �
Actions of the triceps brachii � Glenohumeral extension Glenohumeral adduction Humeroulnar extension � Posterior View
A � O � � Posterior View I �
A � O � � Posterior View I �
A � O � � Posterior View I �
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
Erector Spinae Group � Trail Guide, Page 196 � The erector spinae group runs from the sacrum to the occiput. � Erectors have a dense, layered arrangement similar to that of a poplar tree. � The erector group consists of the: � • Spinalis � • Longissimus � • Iliocostalis � When do you use your erectors? � Posterior View �
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
A � O � I � � Posterior View
5b Kinesiology ¡ AOIs - Posterior Upper Body �
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