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1.1 Arm and shoulder. 1.2 Hand and wrist. 2 Lower limb. 3 Other. 4 References. ... Abduction is an anatomical term of motion referring to a movement which draws a ...
The supraspinatus muscle performs abduction of the arm, and pulls the head of the humerus medially towards the glenoid cavity. [5] It independently prevents the head of the humerus from slipping inferiorly. [5] The supraspinatus works in cooperation with the deltoid muscle to perform abduction, including when the arm is in an adducted position. [5]
Deltoid muscle with superior limb in abduction. When all its fibers contract simultaneously, the deltoid is the prime mover of arm abduction along the frontal plane. The arm must be medially rotated for the deltoid to have maximum effect. [12] This makes the deltoid an antagonist muscle of the pectoralis major and latissimus dorsi during arm ...
1.1 Arm and shoulder. 1.2 Hand and wrist. 2 Lower limb. Toggle Lower limb subsection. 2.1 Foot and toes. 3 Other. 4 References. 5 See also. Toggle the table of contents.
If the shoulder is externally rotated (elbows pointing towards the hips) then it will be assisted in this transverse abduction by the middle deltoid head. This fly, while it seems like an isolation movement, is actually a compound movement because it involves movement in a second joint: the scapulothoracic.
The first stage requires immobilization of the shoulder joint. The shoulder that is injured is placed in a sling and shoulder flexion or abduction of the arm is avoided for 4 to 6 weeks after surgery (Brewster, 1993). Avoiding movement of the shoulder joint allows the torn tendon to fully heal. [24]
The shoulder blades are the scapular area and the breastbone is the sternal region. The abdominal area is the region between the chest and the pelvis. The breast is also called the mammary region, the armpit as the axilla and axillary, and the navel as the umbilicus and umbilical. The pelvis is the lower torso, between the abdomen and the thighs
of arm/humerus at shoulder [1] Deltoid muscle; Supraspinatus; Infraspinatus; Teres minor; of thigh/femur at hip [2] Gluteus maximus; Lateral rotator group. piriformis; gemellus superior; obturator internus; pectineus ; gemellus inferior; obturator externus; quadratus femoris; Sartorius; of leg at knee [3] Biceps femoris; of eyeball (motion is ...
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