Sentences with word «acromion»

It appears that the fascicle length of the trapezius in the fibers inserting on the clavicle and acromion range between 62 — 104 mm and 65 — 125 mm, respectively (Kamibayashi et al. 1998).

The middle head, which starts more central, i.e. on the acromion, and attaches to the outer portion of the humerus.

Impingement, which happens when tendons of the rotator cuff muscles become inflamed or irritated when passing though the subacromial space, the passage under the acromion.

-- The middle head starts more central, i.e. on the acromion, and attaches to the outer portion of the humerus.

This can lead to the tendons rubbing on the underside of the acromion process at the top of the shoulder joint.

Comparing distinct attachments, Kamibayashi et al. (1998) measured the muscle weight of the fibers that insert on the clavicle or acromion.

The fibers attaching to the acromion display the longest fascicle lengths.

The trapezius muscle originates on the spinous processes and ligamentous connective tissue that cover the upper cervical spine, between the C1 — T8, and insert on the lateral third of the clavicle, acromion and spine of the scapula.

Further, Kamibayashi et al. (1998) reported the PCSA for the fibers attaching to the clavicle or acromion, which were 1.96 and 10.77 mm2 respectively, indicating that the fibers attaching to the acromion are capable of producing more force than the fibers connecting to the clavicle.

It appears that the pennation angle of the trapezius ranges between 0 — 30 degrees in the fibers inserting on the clavicle, and 0 — 10 degrees in the fibers inserting on the acromion (Kamibayashi et al. 1998).

They reported that the muscle weight ranged between 10.7 to 27.1 g in the fibers inserting to the clavicle, while the weight ranged between 68.5 — 128.4 g in the acromion fibers.

The upper fibers attaching to the clavicle are more heavily pennated than the fibers attaching to the acromion.

The trapezius originates at the midline of the body, from the higher cervical vertebrae to the lower thoracic vertebrae, and inserts on the lateral third of the clavicle, as well as on the acromion and scapula spine.

However, the upper fibers attaching to the clavicle are more heavily pennated than the fibers attaching to the acromion.

The trapezius covers a large area of the upper back with a number of attachment sites including the cervical and thoracic spine, lateral third of the clavicle, acromion, and spine of the scapula.

the middle traps inserts on the acromion process (outer top portion) of the scapula, and the lower traps inserts on the spine of the scapula.

However, other muscles may also influence the position of the acromion (such as biceps brachii and coracobrachialis) and so it is best not to use this test in isolation.

This head of the deltoid muscle arises (originates) from the acromion process and inserts into deltoid tubercle of the humerus.

The subacromial space is so called because it is under the arch of the acromion.

While Macdougall et al. (1984) reported the greatest cross-sectional area of the biceps from several images taken at 1 cm intervals, Schantz et al. (1983) report the average cross-sectional area taken at 60 % the distance from the acromion for all subjects.

During the movement, point your thumb upwards so as to keep the humeral head away from the acromion.

Markers were placed on anatomical landmarks on the dominant side of the body on the acromion process, greater trochanter, lateral femoral condyle, and lateral malleolus.

The anterior deltoid starts on the lateral third of the clavicle.The middle deltoid starts on the acromion process of the scapula.The posterior deltoid starts on the spine of the scapula.

The middle deltoid originates on the lateral margin of the acromion on the middle facet.

The most lateral and anterior segment of the posterior deltoid originates on the lateral margin of the acromion on the posterior facet, while the other 2 segments of the posterior deltoid originate on the posterior aspect of the acromion and scapular spine.

The 7 segments of the deltoid originate spanning from the anterior lateral third of the clavicle to the posterior lateral third of the acromion, and scapula spine.

A separated shoulder (also known as a acromioclavicular separation) can be a partial or complete separation of the collarbone (clavicle) and the shoulder blade (acromion).