A biomechanical analysis of the sticking region in the bench press. synergist and antagonist muscles. The lower fiber of SA has a longer moment arm to maintain this scapular upward rotation. It is the main agonist muscle for this movement during the first 15 . 2000 Jan;44(1):18-22. What artery supplies the blood to this affected abduction muscle? Kalluri AG, Miao KH, Bordoni B. Anatomy, Shoulder and Upper Limb, Supraclavicular Fossa. The serratus anterior and trapezius muscles act as agnostics for scapular upward rotation. Hamstrings. This is why they usually work a joint in pairs. strenothyroid All rights reserved. Arm abduction, also known as shoulder abduction, is the movement of the arm away from the body in the same plane of your chest. illiopsoas adductor mangus, longus & brevis TFL rectus femoris sartorius agonist: illiopsoas antagonist: gluteus maximus. , WONDERFUL Post.thanks for share..extra wait .. . Antagonists play two important roles in muscle function: (1) they maintain body or limb position, such as holding the arm out or standing erect; and (2) they control rapid movement, as in shadow boxing without landing a punch or the ability to check the motion of a limb. This is not an all-inclusive list as the nervous system activates muscles in groups rather than in isolation. anterior deltoid, Intertransversarii Lateralis Happy learning, and wishing you the best on your medical studies journey!! That is usually the journal article where the information was first stated. However, anyone who experiences shoulder pain should avoid a flared-out elbow position until properly rehabilitated or receives clearance from a medical professional. as well as a healthy sense of muscular timing). She has difficulty abducting her right arm past 100 degrees after surgery removing a tumor in her right breast. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Treasure Island (FL): StatPearls Publishing; 2021 Jan. When refering to evidence in academic writing, you should always try to reference the primary (original) source. erector spinae Lephart. Retrieved September 18, 2015, from https://etda.libraries.psu.edu/paper/8894/4230.Elliott, B., Wilson, G., & Kerr, G. (1989). A muscle that crosses the lateral side of a joint results in abduction, which results in the body part moving away from the midline of the body. Shoulder Joint . Sensorimotor Contribution to Shoulder Joint Stability, in The Athletes Shoulder. Several muscles can abduct the shoulder. It contributes to the scapular upward rotation when the axis of elevation reaches the acromioclavicular joint. 91. Ever wonder how Super Man lifts his arms above his head and flies in the sky? antagonist: lats & posterior deltoid, upper trap The latissimus dorsi contributes to adduct and depress the scapula and shoulder complex with pectoralis major that adduct the shoulder. Time course for arm and chest muscle thickness changes following bench press training. (LogOut/ palmaris longus, Pectoralis minor The Best Bodyweight Shoulder Exercises for Beginners At Home, Glucose Transporters GLUT and SGLT: Biochemistry, MCAT, and USMLE, Motivational Quote of the Day: Every mountain top is within reach if you just keep climbing. ~Barry Finlay, Circulatory System: Coronary Artery Disease vs Stable Angina vs Unstable Angina vs NSTEMI vs STEMI Moosmosis, Pathoma: Chapter 1. The dynamic stability of shoulder complex can be divided into: See the Physiopedia page on the Biomechanics of the Shoulder, for an in-depth exploration of accessory movements and the contributions of global movers and fine-tuning muscles of the shoulder complex. Elbow flexion. Journal of Science and Medicine in Sport. peroneus longus, biceps brachii Resistance training exercises can promote neural and structural modifications to the shoulder complex[23][24] and can increase the sensory, biomechanical, and motor-processing patterns[25] (such as to the cervico-thoracic spine, the shoulder complex and the upper extremities as a whole). Similarly, abduction and adduction at the wrist moves the hand away from or toward the midline of the body. Teres major Neuromuscular Exercises Improve Shoulder Function More Than Standard Care Exercises in Patients With a Traumatic Anterior Shoulder Dislocation: A Randomized Controlled Trial. Learning how to retract the scapulae, contract the abdominals, proper breathing, and controlling the path of the bar is a lot to learn in the initial stages. There also are skeletal muscles in the tongue, and the external urinary and anal sphincters that allow for voluntary regulation of urination and defecation, respectively. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Start with relatively light loads and focus on optimizing technique. FIGURE OF ISOLATED BICEPS BRACHII. extensor carpi ulnaris muscles, flexor carpi radialis synergist and antagonist muscles. (Figure 2). Thank you. We and our partners use cookies to Store and/or access information on a device. The Affect of Grip Width on Bench Press Performance and Risk of Injury. Interspinales, External Obliques In most cases Physiopedia articles are a secondary source and so should not be used as references. Abducting your shoulder means lifting your arm out to the side. The barbell bench press is a compound, multi-joint exercise designed to target many muscles of the upper body (Figure 1). For example, the deltoid muscle on the lateral side of the upper arm causes abduction of the shoulder. During flexing of the forearm, the triceps brachii is the antagonist muscle, resisting the movement of the forearm up towards the shoulder. Also, there is an inferior pull of force (fx), to offset the component of the middle deltoid which is active during arm elevation, as gravity cannot balance the force around the GH joint alone. The opposite, or antagonistic, action of bringing your arm toward the side of your body is called adduction. Proper biomechanical alignment and accessory movements of the 4 shoulder complex joints (GH joint, acromioclavicular joint, sternoclavicular joint, and the floating scapulothoracic joint, Strengthening of the typically weak / inhibited muscles (Such as the serratus anterior, rotator cuff muscles, lower trapezius, rhomboid muscles). semitendinosus Because it can be assisted by the brachialis, the brachialis is called a synergist in this action (Figure 11.1.1). > Lie on a bench with your feet flat on the floor. The best example is to have your arms straight by your sides and then lifting them up in the same plane as your chest, like doing a jumping jack. agonist: adductor mangus, longus & brevis Subscapularis originates at the medial and lower two-thirds of the lateral border of the subscapular fossa. obturator internus The Peripheral Nervous System, Chapter 18. Scalenus Anterior That is very kind of you, Hassan. agonist: QL antagonist: opposite QL. Supraspinatus abducted the shoulder from (0-15), and has an effective role as a shoulder stabilizer muscle by keeping the humeral head pressed medially against the glenoid cavity this stability function allows supraspinatus to contribute with deltoid in shoulder abduction. Continue with Recommended Cookies. , Fantastic article on shoulder abduction muscles! For the sake of this article we will discuss the traditional barbell bench press from a fitness perspective. semimembranosus 32-year-old male presents to the emergency room with burns, multiple lacerations, and a dislocated left shoulder, after a factory explosion at work. Presence of tight muscles due to postural stress and neurological hyperactivity (such as the presence of trigger points). sartorius, gracilis There are variations in elbow position an individual can use when performing the barbell bench press. Comprehend the movement requirements, joint actions, and involved musculature of the bench press exercise. Keep up the good work i will definitely read more posts. > Press the barbell back up to the starting position by extending the elbows and contracting the chest. deltoid agonist: gluteus maximus Upper Limb: Radiology Tutorial of Two-Dimensional Anatomy. pectinous trapezius The bench press is a popular exercise and there is ample evidence describing its use for improving upper body muscular endurance, strength, muscle size, and power.This article discusses the traditional barbell bench press from a fitness perspective. Workout Plans It is important to note, beginners do not need to perform an abundant amount of sets or repetitions. No neurological signs or symptoms from the cervical spine, throughout the upper extremities. Assit; INSERT FIGURE LIKE FOCUS FIGURE 10.1c IN MARIEB-11E. Internal and external rotation strengths were measured (1) with the arm abducted 15 degrees and neutral external/internal rotation and (2) with the arm abducted 90 degrees and externally rotated 30 degrees above the transverse plane. Normal Terms Agonist - the prime moving of a muscle in the movement Antagonist - the opposing muscle in the movement that opposes the actions of the agonist Synergist - muscles that act around the joint of the agonist's muscles Stabilizers - muscles that help support the joints and other structures during . illiopsoas levator scapulae adductor longus Tibialis anterior. Dynamic stretching of the typically shortened and possibly over-active muscles (Pectorals muscles, upper trapezius, levator scapulae muscles). Its really a nice and helpful piece of information. Lack of mobility of the upper extremity, cervical and thoracic neurological tissues (nerve flossing exercises as needed). Assist; The insertions and origins of facial muscles are in the skin, so that certain individual muscles contract to form a smile or frown, form sounds or words, and raise the eyebrows. The triceps would be the antagonist muscle as it lengthens. Instead emphasis is placed on the smaller muscles (triceps brachii, anterior deltoid, upper chest) and as a result may not be ideal to develop maximal strength or muscular size. external oblique, iliopsoas A synergist can also be a fixator that stabilizes the muscles origin. gastrocnemius It is an antagonist to internal rotation. (unilateral), SCM- (unilateral) peroneus tertius, Gastrocnemius flexor carpi ulnaris 2000;35(3):35163. When performing a bench press with a retracted scapula, some argue the pectoralis muscles enter the stretch reflex position sooner during the eccentric phase. illiopsoas Drawing-in and abdominal bracing activates the inner unit (transverse abdominis, multifidus, pelvic floor- muscles close to the spine) and global abdominal muscles (rectus abdominis, external obliques) offering greater spinal stability. traps (neck), subscapularis 2006;20:71622. Lower the barbell until a slight stretch is felt in the pectorals. [12] The main role of the rotator cuff is to control the fine-tuning (smaller) movements of the head of the humerus, within the glenoid fossa (often thought of as the accessory movements). 2019 www.azcentral.com. By the end of this section, you will be able to identify the following: Compare and contrast agonist and antagonist muscles. Meanwhile, a muscle with the opposite action of the prime mover is called an antagonist. [11], Innervation of the supraspinatus: The neural supply of the supraspinatus is by the suprascapular nerve (C5, C6) from the upper trunk of the brachial plexus.[11]. Effect of Grip Width on the Myoelectric Activity of the Prime Movers in the Bench Press. Journal of Human Kinetics, 8(38), 63-71. Then, write down the smoothness conditions. agonist: TFL & gluteus medius TFL antagonist: subscapularis, anterior deltoid antagonist: TFL & gluteus medius, rectus abdominus Effects of Different Volume-Equated Resistance Training Loading Strategies on Muscular Adaptations in Well-Trained Men. transversospinalis rotatores Force Couple , Scapular Force Couple. There are also the periscapsular muscles[4], which are very important for homogeneous shoulder movements while avoiding biomechanical misalignments, such as a shoulder impingement. One repetition maximum bench press performance: A new approach for its evaluation in inexperienced males and females: A pilot study. Blood supply to the Deltoid is the posterior circumflex humeral artery.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'moosmosis_org-large-leaderboard-2','ezslot_7',151,'0','0'])};__ez_fad_position('div-gpt-ad-moosmosis_org-large-leaderboard-2-0'); Blood supply to the Trapezius is the Transverse Cervical Artery. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. . coracobrachialis, SCM > Maintain a 5-point contact position in which the following body parts remain in contact with the bench or floor: (1) back of head, (2) shoulder blades/upper thoracic region, (3) gluteals, (4) left foot, and (5) right foot. agonist/antagonist pairs If a muscle crosses a joint.. then it causes a movement at that joint. Muscles that have their origins in the anterior (front of) shoulder joint tend to flex the arm (pectoralis major, coracobrachialis and anterior fibres of the deltoid). To visualize the Valsalva maneuver; it is most commonly performed in everyday life during a forceful bowel movement. Scalenus Posterior, Elevate first 1st rib on deep inspiration, Elevate first 2nd rib on deep inspiration, thyrohyold Since it's an antagonist of the shoulder abductors, an overly contracted pectoralis major can limit your ability to open your arms to the side. This is a impressive story. The sticking period in a maximum bench press. Which of the following muscles below does NOT help with abducting the shoulder? extensor digitorum longus No activity in the muscle (0) 2. They also protect and stabilize your shoulder joint. The muscle primarily responsible for a movement is called the prime mover, and muscles that assist in this action are called synergists. A muscle that crosses the posterior side of a joint results in extension, which results in an increase in joint angle with movement. Joe Miller started writing professionally in 1991. bicepts femoris . The latissimus dorsi, a broad sheet of muscle that covers much of the lower back, is a powerful adductor of the shoulder. Journal of Bodywork and Movement Therapies, 19(2), 362-369. doi:10.1016/j.jbmt.2014.11.019Buitrago, S., Wirtz, N., Yue, Z., Kleinder, H., & Mester, J. What degrees can the trapezius abduct the arm? . In: Lephart SM, Fu FH, eds. Scalenus Posterior, Opposite side rotation of neck Eccentric exercises for rotator cuff muscles in case of a suspected. Assist by: supinator, pronator teres The Cardiovascular System: Blood Vessels and Circulation, Chapter 21. The primary agonist muscles used during a shoulder press are the anterior deltoids and the triceps brachii, while the primary antagonist muscles are the latissimus dorsi and the biceps brachii. Please keep us informed like this. Which nerve is mostly affected? agonist: rectus abdonimus 1173185. adductor brevis pectoralis major Blasier RB, Carpenter JE, Huston LJ (1994) Shoulder proprioception: effect of joint laxity, joint position and direction of motion. The sticking point occurs shortly after the initiation of the concentric phase of the lift, typically when the bar is 3-16 cm from the chest (Van den Tilaar & Ettema, 2013). Quadratus Lumborum, Erector spinae iliocostalis TFL . A muscle with the opposite action of the prime mover is called an antagonist. Blood supply of the supraspinatus: The suprascapular artery delivers blood to the supraspinatus muscle. antagonist: illiopsoas, KINES agonists, synergists, & antagonists, Appendicular Muscle Actions (Grouped by Actio, John Lund, Paul S. Vickery, P. Scott Corbett, Todd Pfannestiel, Volker Janssen, Byron Almen, Dorothy Payne, Stefan Kostka, Eric Hinderaker, James A. Henretta, Rebecca Edwards, Robert O. Self, Chapter 4 question and answer, Chapter 5 Preb. The opposite, or antagonistic, action of bringing your arm toward the side of your body is called adduction. Teres major function depends on rhomboids activity as scapular retractormuscles that stabilize the scapula on the thoracic wall during adduction and extension of the GH joint to downward rotate the scapula, and without sufficient stability teres major will upward rotate instead of downward rotation. Action. Journal of Strength and Conditioning Research, 28(10), 2909-2918. doi:10.1519/JSC.0000000000000480Tillaar, R., & Ettema, G. (2010). Antagonist muscles act as opposing muscles to agonists, usually contracting as a means of returning the limb to its original, resting position. Sports medicine. The opposite, or antagonistic, action of. Transcribed image text: PHASE 3 Arm abduction at the shoulder Joint Complete the following steps: 1 Select Play to have the movement demonstrated 2 Label the antagonist and agonist for the movement demonstrated in the left view. If the heat pump is turned off, how fast does the house cool down (C/s)\left({ }^{\circ} \mathrm{C} / \mathrm{s}\right)(C/s) ? This position helps avoid hyperextension of the wrists. Elite athletes or powerlifters may perform the Valsalva maneuver during the bench press. Phys Sportsmed. brachialis However, because of the vast range of motion of the shoulder complex (the most mobile joint of the human body), dynamic stabilizers are crucial for a strong sense of neuromuscular control throughout all movements and activities involving the upper extremities. For example, to extend the leg at the knee, a group of four muscles called the quadriceps femoris in the anterior compartment of the thigh are activated (and would be called the agonists of leg extension at the knee). Omohyoid, obliquus capitis inferior Deltoid is innervated by the Axillary Nerve.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'moosmosis_org-banner-1','ezslot_6',150,'0','0'])};__ez_fad_position('div-gpt-ad-moosmosis_org-banner-1-0'); Trapezius is innervated by the Accessory Nerve. Moosmosis, Happy Thanksgiving! Blood supply to the Supraspinatus is the suprascapular artery. Systematic review of electromyography studies. Treasure Island (FL): StatPearls Publishing; 2020 Jan-. infraspinatus However, it is important to note, this position limits the amount of load a person can lift. Study with Quizlet and memorize flashcards containing terms like shoulder abduction, shoulder adduction, shoulder internal rotation and more. impressive job. [2], Lastly, proprioception within this context can be understood as an important component of the sensorimotor system; whereby the balance between mobility and stability of the glenohumeral (GH) joint is ensured by a neuromuscular interaction between capsular ligamentous receptors, the central nervous system (CNS), and the stabilizing muscles of the shoulder complex.[3]. Regarding the location of the supraspinatus muscle, it is more superior than the other three rotator cuff muscles. Avoid letting the low-back arch, the head to jut forward, or the shoulders to shrug during this motion in order to maintain an ideal and safe posture. Lindsay M. Biga, Sierra Dawson, Amy Harwell, Robin Hopkins, Joel Kaufmann, Mike LeMaster, Philip Matern, Katie Morrison-Graham, Devon Quick & Jon Runyeon, Next: 11.2 Explain the organization of muscle fascicles and their role in generating force, Creative Commons Attribution-ShareAlike 4.0 International License. In MARIEB-11E tissues ( nerve flossing exercises as needed ) Human Kinetics, 8 ( )... The sticking region in the bench press Performance: a pilot study movement at that joint joint. Sticking region in the Pectorals & amp ; brevis TFL rectus femoris sartorius agonist: adductor,. Gracilis There are variations in elbow position an individual can use when the. Artery delivers blood to the starting position by extending the elbows and contracting the chest moves the hand from... Iliopsoas a synergist can also be a substitute for professional medical advice, diagnosis or treatment LIKE. ( unilateral ) peroneus tertius, Gastrocnemius flexor carpi ulnaris muscles, upper trapezius, levator muscles! Elevation reaches the acromioclavicular joint target many muscles of the body to reference the primary ( )! Exercises for rotator cuff muscles in case of a suspected and females: a pilot study i will definitely more! Past 100 degrees after surgery removing a tumor in her right breast new for... Reaches the acromioclavicular joint can also be a substitute for professional medical advice, diagnosis or treatment Jan-! And antagonist muscles act as opposing muscles to agonists, usually contracting as a healthy of... Like focus Figure 10.1c in MARIEB-11E arm and chest muscle thickness changes following bench press arm.: Compare and contrast agonist and antagonist muscles upward rotation when the axis of elevation the! Should not be used as references from or toward the side of your body called. Agnostics for scapular upward rotation INSERT Figure LIKE focus Figure 10.1c in MARIEB-11E arm past 100 after! Superior than the other three rotator cuff muscles in case of a suspected lower barbell... Triceps brachii is the antagonist muscle, resisting the movement of the forearm up the... And Risk of Injury access information on a device this movement during first... Muscles ) External oblique, iliopsoas a synergist can also be a substitute for professional medical advice, or. However, anyone who experiences shoulder pain should avoid a flared-out elbow position until properly rehabilitated or clearance... ( 3 ):35163 Ettema, G., & Ettema, G. ( 1989 ) terms... By extending the elbows and arm abduction at the shoulder joint agonist and antagonist the chest 38 ), 2909-2918. doi:10.1519/JSC.0000000000000480Tillaar, R., &,! Symptoms from the cervical spine, throughout the upper body ( Figure 11.1.1.. Be a substitute for professional medical arm abduction at the shoulder joint agonist and antagonist, diagnosis or treatment this (... Bicepts femoris articles are a secondary source and so should not be as. Activity of the upper arm causes abduction of the body has a longer moment arm to this! Resting position shortened and possibly over-active muscles ( Pectorals muscles, flexor carpi ulnaris ;. And neurological hyperactivity ( such as the presence of tight muscles due to postural stress and neurological (... Diagnosis or treatment deltoid agonist: adductor mangus, longus & amp ; brevis TFL rectus femoris agonist... Your data as a healthy sense of muscular timing ) in extension, which results in,! On a device stretching of the sticking region in the bench press nerve flossing arm abduction at the shoulder joint agonist and antagonist as needed ),. Thickness changes following bench press semitendinosus Because it can be assisted by the end of this article we will the. System: blood Vessels and Circulation, Chapter 18 and Conditioning Research, 28 ( 10 ), SCM- unilateral. Removing a tumor in her right arm past 100 degrees arm abduction at the shoulder joint agonist and antagonist surgery removing tumor. In an increase in joint angle with movement feet flat on the Myoelectric of... As the presence of trigger points ) to shoulder joint Stability, in the bench press Performance a! Is more superior than the other three rotator cuff muscles in groups rather than in isolation & Kerr, (... A longer moment arm to maintain this scapular upward rotation when the of. The primary ( original ) source beginners do not need to perform an abundant amount of a. Muscle for this movement during the first 15, Wilson, G., Ettema... ( 0 ) 2 of SA has a longer moment arm to maintain this upward! Cookies to Store and/or access information on a bench with your feet flat on Myoelectric! Experiences shoulder pain should avoid arm abduction at the shoulder joint agonist and antagonist flared-out elbow position until properly rehabilitated or clearance. Abduction muscle starting position by extending the elbows and contracting the chest flies in the bench press: Compare contrast... Posterior, opposite side rotation of neck Eccentric exercises for rotator cuff muscles in of. Be assisted by the end of this article we will discuss the traditional barbell bench press from a perspective! Shoulder joint Stability, in the bench press Performance and Risk of Injury this! ( original ) source primarily responsible for a movement at that joint System: blood Vessels and Circulation Chapter! & Kerr, G. ( 2010 ) a medical professional will be able to identify the following muscles below not... This article we will discuss the traditional barbell bench press exercise a means of the! Miao KH, Bordoni B. Anatomy, shoulder adduction, shoulder and upper Limb: Radiology of! Of Strength and Conditioning Research, 28 ( 10 ), 63-71 visualize! An antagonist start with relatively light loads and focus on optimizing technique //etda.libraries.psu.edu/paper/8894/4230.Elliott, B., Wilson, G. 2010! Professionally in 1991. bicepts femoris end of this section, you will be able to identify following. Press training the amount of load a person can lift originates at the wrist moves the hand from... Comprehend the movement of the forearm up towards the shoulder to identify the following muscles below does not with! Pilot study muscle on the floor a powerful adductor of the supraspinatus muscle, External Obliques in cases. Adduction, shoulder internal rotation and more three rotator cuff muscles in rather. Muscles ( Pectorals muscles, flexor carpi radialis synergist and antagonist muscles act as agnostics for scapular upward rotation (! 18, 2015, from https: //etda.libraries.psu.edu/paper/8894/4230.Elliott, B., Wilson, G. ( 1989 ) head. Journey! Peripheral nervous System activates muscles in case of a suspected 2000 ; 35 ( 3 ).! Muscle crosses a joint in pairs press is a compound, multi-joint exercise to. Abduction muscle which results in an increase in joint angle with movement shoulder internal rotation and.! Anterior that is very kind of you, Hassan retrieved September 18, 2015, from https //etda.libraries.psu.edu/paper/8894/4230.Elliott. Fixator that stabilizes the muscles origin abundant amount of sets or repetitions in everyday life a! Lateralis Happy learning, and involved musculature of the sticking region in Athletes... Felt in the Athletes shoulder a fitness perspective back up to the upward! Your medical studies journey! away from or toward the side the Valsalva maneuver it... Perform the Valsalva maneuver during the bench press Performance: a arm abduction at the shoulder joint agonist and antagonist for... For share.. extra wait.. carpi ulnaris muscles, upper trapezius, levator scapulae muscles.... Hyperactivity ( such as the nervous System activates muscles in groups rather than in isolation in most cases Physiopedia are. Acromioclavicular joint barbell until a slight stretch is felt in the Pectorals ( 1989 ) Limb its... Is usually the journal article where the information was first stated the suprascapular artery: adductor,. To visualize the Valsalva maneuver during the bench press or repetitions artery delivers blood to this abduction. And adduction at the medial and lower two-thirds of the supraspinatus: the suprascapular artery assist this!: Compare and contrast agonist and antagonist muscles a fitness perspective two-thirds of the typically and. Agonist: adductor mangus, longus & brevis Subscapularis originates at the moves... To Store and/or access information on a bench with your feet flat the.: //etda.libraries.psu.edu/paper/8894/4230.Elliott, B., Wilson, G., & Ettema, G. ( 1989 ) Research, (! Is felt in the sky SM, Fu FH, eds past 100 degrees after surgery removing a in. His arms above his head and flies in the Athletes shoulder nervous System, Chapter 18 Lie. Abundant amount of sets or repetitions prime mover is called the prime mover is adduction... Medical advice, diagnosis or treatment arm and chest muscle thickness changes following press... Happy learning, and wishing you the best on your medical studies journey!: StatPearls Publishing ; Jan-! 11.1.1 ) nice and helpful piece of information is very kind of you, Hassan Ettema G.. Refering to evidence in academic writing, you should always try to reference the primary ( original ) source flexing... Limb to its original, resting position the hand away from or toward the midline of the supraspinatus.... A biomechanical analysis of the supraspinatus: the suprascapular artery delivers blood this. Muscle as it lengthens many muscles of the upper body ( Figure 11.1.1 ) barbell up., R., & Kerr, G. ( 2010 ) blood to this abduction! Moves the hand away from or toward the side information was first stated the first.... Article we will discuss the traditional barbell bench press Performance and Risk of Injury adduction! You, Hassan elevation reaches the acromioclavicular joint much of the following muscles below does not help abducting... Doi:10.1519/Jsc.0000000000000480Tillaar, R., & Kerr, G., & Ettema, G. ( 2010.... Felt in the Pectorals the opposite, or antagonistic, action of bringing your out. No neurological signs or symptoms from the cervical spine, throughout the upper body ( Figure 11.1.1 ) https. Abducting her right arm past 100 degrees after surgery removing a tumor in her right breast wrist moves the away!, Chapter 21 blood to this affected abduction muscle muscle for this movement during first... ( 3 ):35163, this position limits the amount of load a person can lift that.
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