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The function of this muscle is to rotate the head to the opposite side or obliquely rotate the head. [4] It also flexes the neck. [4] When both sides of the muscle act together, it flexes the neck and extends the head. When one side acts alone, it causes the head to rotate to the opposite side and flexes laterally to the same side (ipsilaterally).
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 also called "extorsion" or ...
The muscle is responsible for rotation of the head and first cervical vertebra (atlanto-axial joint). [3] The obliquus capitis inferior muscle, like the other suboccipital muscles, has an important role in proprioception. This muscle has a very high density of Golgi organs and muscle spindles which accounts for this. [4]
Reach through the thighs and hold onto the back of the right knee, pulling this knee in toward your chest. Feel the stretch on the outside of the left hip. Hold this position for 20-30 seconds.
Muscles Origin Insertion Flexion (150°–170°) Anterior fibers of deltoid: Clavicle: Middle of lateral surface of shaft of humerus: Clavicular part of pectoralis major: Clavicle Lateral lip of bicipital groove of humerus Long head of biceps brachii: Supraglenoid tubercle of scapula: Tuberosity of radius, Deep fascia of forearm: Short head of ...
head, mouth (left/right) continuation of depressor anguli oris muscles other side of depressor anguli oris muscles facial artery: facial nerve [CNVII], mandibular branch or buccal branch depresses angle of mouth (frown) levator anguli oris: 0.6 [3] 1 levator labii superioris: head, mouth (left/right) medial part of infra-orbital margin of maxilla
Return right arm and left leg to starting position, then repeat with right arm and left leg. Continue alternating, moving opposing arms and legs. Do 5 reps per side.
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