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Anatomy & Physiology – Pectoral Girdle 8.3 Clavicle ICan2Ed, Inc. The clavicle is a long curved, horizontal bone directly above the first rib, forming the ventral portion of the shoulder girdle. The slender S-shaped bone that extends horizontally across the superior thorax is the c_____. The c_____ extends from the manubrium of the sternum to the acromion of the scapula. The pectoral girdle is constructed of 2 c_____ bones and 2 scapulae. The doubly curved long bones that form the anterior part of the pectoral (shoulder) girdle are the c_____ bones. The c_____ is a long curved, horizontal bone directly above the first rib, forming the ventral portion of the pectoral (shoulder) girdle. The c_____ is a long S-shaped bone that connects the torso with the upper arm. 1 The c_____ is a slender bone, wider medially at the sternoclavicular joint. The c_____ is convex at the medial end, and concave at the lateral end. The female c_____ is shorter, lighter, thinner, smoother, and less curved than in males. The c_____ is a long curved, horizontal bone directly above the first rib, forming the ventral portion of the pectoral (shoulder) girdle. The c_____ is a long S-shaped bone that connects the torso with the upper arm. The end that attaches to the sternum is called the medial (toward the midline) end. The m_____ end is called the sternal end. 2 The s_____ e____ articulates with the clavicular notch of the manubrium sterni to form the sternoclavicular joint. The s_____ e____ of the clavicle is held in the sternoclavicular joint by the sternoclavicular ligament. The c_____ is a long curved, horizontal bone directly above the first rib, forming the ventral portion of the pectoral (shoulder) girdle. The c_____ is a long S-shaped bone that connects the torso with the upper arm. The s_____ e____ of the clavicle articulates with the clavicular notch of the manubrium sterni to form the sternoclavicular joint. The m_____ end also articulates with first costal cartilage because of the extension of the articular surface. 3 The first costal cartilage joins the first rib with a notch on the side of the m_____, inferior to the sternoclavicular joint. The first costal cartilage joins the first rib with a notch on the side of the m_____ called the costal notch 1. The c_____ is a long curved, horizontal bone directly above the first rib, forming the ventral portion of the pectoral (shoulder) girdle. The c_____ is a long S-shaped bone that connects the torso with the upper arm. The s_____ e____ of the clavicle articulates with the clavicular notch of the manubrium sterni to form the sternoclavicular joint. The first costal cartilage joins the first rib with a notch on the side of the m_____ called the costal notch 1, inferior to the sternoclavicular joint. 4 The end that articulates with the acromion process is called the lateral (toward the outside) end. The l_____ end is called the acromial end. The a_____ e____ articulates with the acromion process of the scapula at the acromioclavicular joint. The a_____ e____ articulates with the acromion of the scapula by the acromio-clavicular ligament and to the coracoid process of the scapula by the coraco-clavicular ligament. The articular surface for the a______ e____ gives attachment to the joint capsule of the humerus. The c_____ is a long curved, horizontal bone directly above the first rib, forming the ventral portion of the pectoral (shoulder) girdle. The c_____ is a long S-shaped bone that connects the torso with the upper arm. 5 The s_____ e____ of the clavicle articulates with the clavicular notch of the manubrium sterni to form the sternoclavicular joint. The first costal cartilage joins the first rib with a notch on the side of the m_____ called the costal notch 1, inferior to the sternoclavicular joint. The a_____ e____ articulates with the acromion process of the scapula at the acromioclavicular joint. The articular surface for the a______ e____ gives attachment to the joint capsule of the humerus. Review The c_____ is a long curved, horizontal bone directly above the first rib, forming the ventral portion of the pectoral (shoulder) girdle. The c_____ is a long S-shaped bone that connects the torso with the upper arm. The s_____ e____ of the clavicle articulates with the clavicular notch of the manubrium sterni to form the sternoclavicular joint. 6 The first costal cartilage joins the first rib with a notch on the side of the m_____ called the costal notch 1, inferior to the sternoclavicular joint. The a_____ e____ articulates with the acromion process of the scapula at the acromioclavicular joint. The articular surface for the a______ e____ gives attachment to the joint capsule of the humerus. 7