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12. Dr. Eddie Chang: Blood Flow Restriction Therapy - Part II

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We’re going to continue our discussion with Dr. Edward Chang and focus on the use of blood flow restriction therapy for both upper and lower extremity conditions.
Most of the literature about BFR focuses on the effects distal to the site of occlusion, but what about proximally? Our next paper explores that question a bit further. From the August 2021 issue of AJSM, the article is titled Blood Flow Restriction Training for the Shoulder – A Case for Proximal Benefit. This randomized controlled study compared the proximal muscle changes after 8 weeks of combined upper extremity BFR and low-intensity exercise versus low-intensity exercise alone.
Patrick McCulloch and colleagues at Houston Methodist concluded that the addition of BFR to the proximal arm resulted in greater muscle mass in both the upper extremity and the shoulder region, as well as increased internal rotation strength and endurance. Acute occlusion was associated with increased proximal muscle activation as measured by EMG. The authors suggest that occlusion-induced distal fatigue may contribute to enhanced activation of proximal muscles to compensate for fatigue of the distal muscles.
We’ll then shift our discussion to the use of BFR for lower extremity conditions, specifically after ACL reconstruction. Jorge Chala and his team published a systematic review titled Perioperative Blood Flow Restriction Rehabilitation in Patients undergoing ACL Reconstruction. This review concluded that data on the use of BFR after ACL surgery is very limited and heterogenous, but that most studies found significant benefits in muscle hypertrophy, strength and pain scores.
Then, from the March 2020 issue of AJSM, we wrap up with a randomized controlled trial titled Blood Flow Restriction Training Applied With High-Intensity Exercise Does Not Improve Quadriceps Muscle Function After ACL Reconstruction. Curran et al randomized patients to one of four exercise groups: concentric, eccentric, concentric with BFR and eccentric with BFR. The exercise program was initiated 10 weeks post-op and continued for 8 weeks. The authors reported no difference in muscle volume, strength or activation at any time point across all groups.

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iconBagikan
 
Manage episode 305409873 series 2890303
Konten disediakan oleh SportsDocsPod. Semua konten podcast termasuk episode, grafik, dan deskripsi podcast diunggah dan disediakan langsung oleh SportsDocsPod atau mitra platform podcast mereka. Jika Anda yakin seseorang menggunakan karya berhak cipta Anda tanpa izin, Anda dapat mengikuti proses yang dijelaskan di sini https://id.player.fm/legal.

We’re going to continue our discussion with Dr. Edward Chang and focus on the use of blood flow restriction therapy for both upper and lower extremity conditions.
Most of the literature about BFR focuses on the effects distal to the site of occlusion, but what about proximally? Our next paper explores that question a bit further. From the August 2021 issue of AJSM, the article is titled Blood Flow Restriction Training for the Shoulder – A Case for Proximal Benefit. This randomized controlled study compared the proximal muscle changes after 8 weeks of combined upper extremity BFR and low-intensity exercise versus low-intensity exercise alone.
Patrick McCulloch and colleagues at Houston Methodist concluded that the addition of BFR to the proximal arm resulted in greater muscle mass in both the upper extremity and the shoulder region, as well as increased internal rotation strength and endurance. Acute occlusion was associated with increased proximal muscle activation as measured by EMG. The authors suggest that occlusion-induced distal fatigue may contribute to enhanced activation of proximal muscles to compensate for fatigue of the distal muscles.
We’ll then shift our discussion to the use of BFR for lower extremity conditions, specifically after ACL reconstruction. Jorge Chala and his team published a systematic review titled Perioperative Blood Flow Restriction Rehabilitation in Patients undergoing ACL Reconstruction. This review concluded that data on the use of BFR after ACL surgery is very limited and heterogenous, but that most studies found significant benefits in muscle hypertrophy, strength and pain scores.
Then, from the March 2020 issue of AJSM, we wrap up with a randomized controlled trial titled Blood Flow Restriction Training Applied With High-Intensity Exercise Does Not Improve Quadriceps Muscle Function After ACL Reconstruction. Curran et al randomized patients to one of four exercise groups: concentric, eccentric, concentric with BFR and eccentric with BFR. The exercise program was initiated 10 weeks post-op and continued for 8 weeks. The authors reported no difference in muscle volume, strength or activation at any time point across all groups.

  continue reading

78 episode

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